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The global
assessment report on
BIODIVERSITY
AND ECOSYSTEM
SERVICES
SUMMARY FOR POLICYMAKERS
MOF, Alm.del - 2019-20 - Bilag 326: Invitationer fra miljøministeren til møder om natur og biodiversitet + rapporter
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SUMMARY FOR POLICYMAKERS OF THE IPBES GLOBAL ASSESSMENT REPORT ON BIODIVERSITY AND
ECOSYSTEM SERVICES
Copyright © 2019, Intergovernmental Science-Policy Platform on Biodiversity and Ecosystem Services (IPBES)
ISBN No: 978-3-947851-13-3
Reproduction
This publication may be reproduced in whole or in part and in
any form for educational or non-profit services without special
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of the source is made. The IPBES secretariat would appreciate
receiving a copy of any publication that uses this publication as a
source. No use of this publication may be made for resale or any
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should be addressed to the IPBES secretariat. The use of
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For further information, please contact:
Intergovernmental Science-Policy Platform on Biodiversity and
Ecosystem Services (IPBES)
IPBES Secretariat, UN Campus
Platz der Vereinten Nationen 1, D-53113 Bonn, Germany
Phone: +49 (0) 228 815 0570
Email: [email protected]
Website: www.ipbes.net
Photo credits
Cover:
Nasa-USGS Landsat_N. Kuring / A. Hendry / Shutterstock_
Photocreo / C. Mittermeier_SeaLegacy:
Kayapo Beauty
Kubenkrajke, Brazil, 2010 –
A young Kayapó girl bathing in the warm
waters of the Xingú River in the Brazilian Amazon. The Kayapó
people are tied to the river for their entire lives through ceremony and
necessity and with this, comes in-depth knowledge on how to live in
balance with nature / Shutterstock_M. Bednarek
P. 3:
IISD/D. Noguera
P.4-5: UNEP
(J Masuya) /
UNESCO
(A Azoulay) /
FAO
(J Graziano
da Silva) /
UNDP
(Achim Steiner)
/ CBD
(Cristiana Paşca Palmer)
P. 6:
D. M. Cáceres
(Sandra Díaz)
/ UFZ_S. Wiedling
(Josef Settele)
/
IISD/ENB_M. Muzurakis
(Eduardo S. Brondízio)
P. 8-9:
Shutterstock_Mazur Travel
P. 11:
C. Mittermeier /Shutterstock_A. Fortuner / Shutterstock_D.
Mikhail / Shutterstock_Bonga 1965 / B. Vilá
P. 13:
Shutterstock_Trybex / S. Díaz / Shutterstock_Nimit Virdi
P. 20-21:
Shutterstock_R. Whitcombe
P. 48-49:
I. Palomo
Traceable accounts
The chapter references enclosed in curly brackets (e.g. {2.3.1,
2.3.1.2, 2.3.1.3}) are traceable accounts and refer to sections
of the chapters of the IPBES Global Assessment. A traceable
account is a description within the corresponding texts of these
chapters, reflecting the evaluation of the type, amount, quality,
and consistency of evidence and the degree of agreement for that
particular statement or key finding.
Disclaimer
The designations employed and the presentation of material on
the maps used in the present report do not imply the expression
of any opinion whatsoever on the part of the Intergovernmental
Science-Policy Platform on Biodiversity and Ecosystem Services
concerning the legal status of any country, territory, city or area or
of its authorities, or concerning the delimitation of its frontiers or
boundaries. These maps have been prepared for the sole purpose
of facilitating the assessment of the broad biogeographical areas
represented therein.
Technical Support
Hien T. Ngo (Head)
Maximilien Guèze
Graphic Design
Maro Haas, Art direction and layout
Yuka Estrada, SPM figures
SUGGESTED CITATION:
IPBES (2019): Summary for policymakers of the global assessment report on biodiversity and ecosystem services of the Intergovernmental
Science-Policy Platform on Biodiversity and Ecosystem Services. S. Díaz, J. Settele, E. S. Brondízio E.S., H. T. Ngo, M. Guèze, J.
Agard, A. Arneth, P. Balvanera, K. A. Brauman, S. H. M. Butchart, K. M. A. Chan, L. A. Garibaldi, K. Ichii, J. Liu, S. M. Subramanian,
G. F. Midgley, P. Miloslavich, Z. Molnár, D. Obura, A. Pfaff, S. Polasky, A. Purvis, J. Razzaque, B. Reyers, R. Roy Chowdhury, Y. J. Shin,
I. J. Visseren-Hamakers, K. J. Willis, and C. N. Zayas (eds.). IPBES secretariat, Bonn, Germany. 56 pages.
MEMBERS OF THE MANAGEMENT COMMITTEE WHO PROVIDED GUIDANCE FOR THE PRODUCTION OF THIS ASSESSMENT:
Robert T. Watson, Ivar A. Baste, Anne Larigauderie, Paul Leadley, Unai Pascual, Brigitte Baptiste, Sebsebe Demissew, Luthando Dziba,
Gunay Erpul, Asghar M. Fazel, Markus Fischer, Ana Maria Hernández, Madhav Karki, Vinod Mathur, Tamar Pataridze, Isabel Sousa Pinto,
Marie Stenseke, Katalin Török and Bibiana Vilá.
OVERALL REVIEW EDITORS
Manuela Carneiro da Cunha, Georgina M. Mace, Harold Mooney.
This report in the form of a PDF can be viewed and downloaded at www.ipbes.net
The IPBES global assessment was made possible thanks to many generous contributions including non-earmarked contributions to the
IPBES trust fund from Governments (Australia, Belgium, Bulgaria, Canada, Chile, China, Denmark, Estonia, European Union, Finland, France,
Germany, India, Japan, Latvia, Luxembourg, Malaysia, Monaco, Netherlands, New Zealand, Norway, Republic of Korea, South Africa,
Sweden, Switzerland, United Kingdom and United States of America); earmarked contributions to the IPBES trust fund toward the global
assessment (Germany, Canada, France (Agence Française pour la Biodiversité), Norway, United Kingdom and United States of America); and
in-kind contributions targeted at the global assessment. All donors are listed on the IPBES web site: www.ipbes.net/donors
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THE GLOBAL ASSESSMENT REPORT ON BIODIVERSITY AND ECOSYSTEM SERVICES
The global assessment report on
BIODIVERSITY AND
ECOSYSTEM SERVICES
SUMMARY FOR POLICYMAKERS
AUTHORS:
1
Sandra Díaz (Co-Chair, Argentina), Josef Settele (Co-Chair, Germany), Eduardo Brondízio (Co-Chair, Brazil/United
States of America), Hien T. Ngo (IPBES), Maximilien Guèze (IPBES); John Agard (Trinidad and Tobago), Almut Arneth
(Germany), Patricia Balvanera (Mexico), Kate Brauman (United States of America), Stuart Butchart (United Kingdom of
Great Britain and Northern Ireland/BirdLife International), Kai Chan (Canada), Lucas A. Garibaldi (Argentina), Kazuhito
Ichii (Japan), Jianguo Liu (United  States of America), Suneetha Mazhenchery Subramanian (India/United Nations
University), Guy F.  Midgley (South Africa), Patricia Miloslavich (Bolivarian Republic of Venezuela/Australia), Zsolt Molnár
(Hungary), David Obura (Kenya), Alexander Pfaff (United States of America), Stephen Polasky (United States of America),
Andy Purvis (United Kingdom of Great Britain and Northern Ireland), Jona Razzaque (Bangladesh/United Kingdom of
Great Britain and Northern Ireland), Belinda Reyers (South Africa), Rinku Roy Chowdhury (United States of America),
Yunne-Jai Shin (France), Ingrid Visseren-Hamakers (Netherlands/United States of America), Katherine Willis (United
Kingdom of Great Britain and Northern Ireland), Cynthia Zayas (Philippines).
1. Authors are listed with, in parenthesis, their country of citizenship, or countries of citizenship separated by a comma when they
have several; and, following a slash, their country of affiliation, if different from citizenship, or their organization if they belong to an
international organization; name of expert (nationality 1, nationality 2/affiliation). The countries or organizations having nominated
these experts are listed on the IPBES website.
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FOREWORD
key objective of the Intergovernmental
Science-Policy Platform on Biodiversity
and Ecosystem Services (IPBES) is to
provide Governments, the private sector
and civil society with scientifically credible
and independent up-to-date assessments
of available knowledge for better evidence-informed policy
decisions and action at the local, national, regional and
global levels.
This Global Assessment of Biodiversity and Ecosystem
Services has been carried out by about 150 selected experts
from all regions of the world, including 16 early career fellows,
assisted by 350 contributing authors. More than 15,000
scientific publications were analyzed as well as a substantive
body of indigenous and local knowledge. Its chapters were
accepted, and its summary for policymakers was approved,
by the more than 130 Governments that constitute the
Members of IPBES, at the seventh session of the IPBES
Plenary (29
th
April to 4
th
May, 2019), hosted by France at
UNESCO in Paris.
This report represents a critical assessment, the first in almost
15 years (since the release of the Millennium Ecosystem
Assessment in 2005) and the first ever carried out by an
intergovernmental body, of the status and trends of the
natural world, the social implications of these trends, their
direct and indirect causes, and, importantly, the actions
that can still be taken to ensure a better future for all. These
complex links have been assessed using a simple, yet very
inclusive framework that should resonate with a wide range of
stakeholders, since it recognizes diverse world views, values
and knowledge systems.
The concept of nature’s contributions to people, which is
discussed in detail in chapter 1, embraces a wide range of
descriptions of human-nature interactions, including through
the concept of ecosystem services and other descriptions,
which range from strongly utilitarian to strongly relational. The
concept of nature’s contribution to people was developed to
embrace a fuller and more symmetric consideration of diverse
stakeholders and world views, and a richer evidence base
for action, i.e., the knowledge base offered by the natural
and social sciences, the humanities, and the knowledge of
practitioners and indigenous and local communities. The
reporting system for nature’s contributions to people has a
gradient of complementary and overlapping approaches,
ranging from a generalizing to a context-specific perspective.
The generalizing perspective is analytical in purpose and is
organized into eighteen categories of material, non-material
and regulating contributions. The context-specific perspective
A
2
FOREWORD
IPBES is an independent intergovernmental body
comprising over 130 member Governments.
Established by Governments in 2012, IPBES
provides policymakers with objective scientific
assessments about the state of knowledge
regarding the planet’s biodiversity, ecosystems and
the contributions they make to people, as well as
options and actions to protect and sustainably use
these vital natural assets.
The IPBES Global Assessment of Biodiversity
and Ecosystem Services represents the landmark
product of the first work programme of IPBES
(2014-2018). The Global Assessment was initiated
following a decision from the IPBES Plenary at its
fourth session (IPBES 4, Kuala Lumpur, 2016), and
considered by the IPBES Plenary at its seventh
session (IPBES 7, Paris, 2019). It is composed of a
summary for policymakers, which was approved at
IPBES 7, and six chapters, which were accepted at
IPBES 7.
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THE GLOBAL ASSESSMENT REPORT ON BIODIVERSITY AND ECOSYSTEM SERVICES
is typical of indigenous and local knowledge
systems, where knowledge production does
not typically seek to explicitly extend or validate
itself beyond specific geographic and cultural
contexts. In this way, the nature’s contributions
to people approach (or the IPBES approach)
builds on the existing approaches, descriptors
and metrics used by different communities
of practice in the search for understanding
and solutions.
In the last 10-15 years, since the Millennium Ecosystem
Assessment, there has been a significant increase in our
understanding of biodiversity and ecosystems, as well as their
importance to the quality of life of every person. There is also
greater understanding now about which policies, practices,
technologies and behaviors can best lead to the conservation
and sustainable use of biodiversity and the achievement
of many of the Sustainable Development Goals, the Aichi
Biodiversity Targets and the Paris Agreement on Climate
Change. However, biodiversity is still being lost, ecosystems
are still being degraded and many of nature’s contributions to
people are being compromised.
The Assessment is critical today because evidence has
accumulated that the multiple threats to biodiversity have
intensified since previous reports, and that the sustainable use
of nature will be vital for adapting to and mitigating dangerous
anthropogenic interference with the climate system, as well as
for achieving many of our most important development goals.
The findings of this Assessment focus on the global scale,
spanning the period from the 1970s to 2050. They are based
on an unprecedented collection of evidence, integrating
natural and social science perspectives, a range of knowledge
systems and multiple dimensions of value. This is the first
global-level assessment to systematically consider evidence
about the contributions of indigenous and local knowledge
and practices, and issues concerning Indigenous Peoples and
Local Communities. All these features result in a more holistic
assessment of indirect drivers as root causes of changes
in nature and the associated risks to the quality of life of
all people.
As the Chair and the Executive Secretary of IPBES, we wish to
recognize the excellent and dedicated work of the co-chairs,
Professors Sandra Díaz (Argentina), Eduardo S. Brondízio
(Brazil and USA), and Josef Settele (Germany) and of all
the coordinating lead authors, lead authors, review editors,
fellows, contributing authors and reviewers, and to warmly
thank them for their commitment, and for contributing their
time freely to this important report. We would also like to thank
Hien Ngo and Maximilien Guèze from the technical support
unit located at the IPBES secretariat in Bonn, Germany,
because this report would not have been possible without
their extraordinary dedication. Our thanks also go the current
and former members of the Multidisciplinary Expert Panel
(MEP) and of the Bureau who provided guidance as part of
the management committee for this report, and to members
of other technical support units within the IPBES secretariat,
who have supported the production of this report. We would
also like to thank all Governments and other institutions that
provided financial and in-kind support for the preparation of
this assessment.
The IPBES Global Assessment of Biodiversity and Ecosystem
Services, together with the four IPBES regional assessments
of Biodiversity and Ecosystem Services, and the two
thematic Assessments of Pollination, Pollinators and Food
Production, and of Land Degradation and Restoration, form
an impressive corpus of knowledge to make better-informed
decisions regarding the conservation and sustainable use
of biodiversity. The IPBES Global Assessment is expected
to be an important evidence base for the assessment of
progress towards the achievement of the Aichi Biodiversity
Targets in the fifth edition of the Global Biodiversity Outlook
and to play a major role in the consideration of the post 2020
biodiversity framework by the 15
th
Conference of the Parties
to the Convention on Biological Diversity, in October 2020. It
is also expected to inform implementation of the 2030 Agenda
for Sustainable Development, the Sustainable Development
Goals and the Paris Agreement on Climate Change. It is our
sincere hope that the IPBES Global Assessment will continue
to place biodiversity at the top of the global political agenda,
with similar priority to that accorded to climate change. The
process leading to COP 15 offers this opportunity.
Sir Robert T. Watson
Chair of IPBES from 2016 to 2019
Anne Larigauderie
Executive Secretary of IPBES
3
FOREWORD
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THE GLOBAL ASSESSMENT REPORT ON BIODIVERSITY AND ECOSYSTEM SERVICES
STATEMENTS FROM
KEY PARTNERS
4
STATEMENTS FROM KEY PARTNERS
Nature makes human
development possible but
our relentless demand for
the earth’s resources is accelerating
extinction rates and devastating the
world’s ecosystems. UN
Environment is proud to support the
Global Assessment Report
produced by the Intergovernmental
Science-Policy Platform on
Biodiversity and Ecosystem
Services because it highlights the
critical need to integrate biodiversity
considerations in global decision-
making on any sector or challenge,
whether its water or agriculture,
infrastructure or business.
Joyce Masuya
Acting Executive Director,
United Nations Environment Programme
(UNEP)
This essential report
reminds each of us of the
obvious truth: the present
generations have the responsibility
to bequeath to future generations a
planet that is not irreversibly
damaged by human activity. Our
local, indigenous and scientific
knowledge are proving that we have
solutions and so no more excuses:
we must live on earth differently.
UNESCO is committed to
promoting respect of the living and
of its diversity, ecological solidarity
with other living species, and to
establish new, equitable and global
links of partnership and
intragenerational solidarity, for the
perpetuation of humankind.
Audrey Azoulay
Director-General,
United Nations Educational,
Scientific and Cultural Organization
(UNESCO)
The
Global assessment of
biodiversity and ecosystem
services
adds a major
element to the body of evidence for
the importance of biodiversity to
efforts to achieve the Zero Hunger
objective and meet the Sustainable
Development Goals. Together,
assessments undertaken by IPBES,
FAO, CBD and other organizations
point to the urgent need for action
to better conserve and sustainably
use biodiversity and to the
importance of cross-sectoral and
multidisciplinary collaboration
among decision-makers and other
stakeholders at all levels.
José Graziano da Silva
Director-General,
Food and Agriculture Organization of
the United Nations (FAO)
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THE GLOBAL ASSESSMENT REPORT ON BIODIVERSITY AND ECOSYSTEM SERVICES
Across cultures, humans
inherently value nature.
The magic of seeing
fireflies flickering long into the night
is immense. We draw energy and
nutrients from nature. We find
sources of food, medicine,
livelihoods and innovation in
nature. Our well-being
fundamentally depends on nature.
Our efforts to conserve biodiversity
and ecosystems must be
underpinned by the best science
that humanity can produce. This is
why the scientific evidence
compiled in this IPBES Global
Assessment is so important. It will
help us build a stronger foundation
for shaping the post 2020 global
biodiversity framework: the ‘New
Deal for Nature and People’; and
for achieving the SDGs.
Achim Steiner
Administrator,
United Nations Development
Programme (UNDP)
The IPBES’ 2019 Global
Assessment Report on
Biodiversity and
Ecosystem Services comes at a
critical time for the planet and all its
peoples. The report’s findings —
and the years of diligent work by the
many scientists who contributed—
will offer a comprehensive view of
the current conditions of global
biodiversity. Healthy biodiversity is
the essential infrastructure that
supports all forms of life on earth,
including human life. It also provides
nature-based solutions on many of
the most critical environmental,
economic, and social challenges
that we face as human society,
including climate change,
sustainable development, health,
and water and food security. We are
currently in the midst of preparing
for the 2020 UN Biodiversity
Conference, in China, which will
mark the close of the Aichi
Biodiversity Targets and set the
course for a post 2020 ecologically
focused sustainable development
pathway to deliver multiple benefits
for people, the planet and our global
economy. The IPBES report will
serve as a fundamental baseline of
where we are and where we need
to go as a global community to
inspire humanity to reach the 2050
Vision of the UN Biodiversity
Convention “Living in harmony with
nature”. I want to extend my thanks
and congratulations to the IPBES
community for their hard work,
immense contributions and
continued partnership.
Dr. Cristiana Paşca Palmer
Executive Secretary
Convention on Biological Diversity
(CBD)
5
STATEMENTS FROM KEY PARTNERS
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THE GLOBAL ASSESSMENT REPORT ON BIODIVERSITY AND ECOSYSTEM SERVICES
ACKNOWLEDGEMENTS
T
6
ACKNOWLEDGEMENTS
he co-chairs of the IPBES Global Assessment
Report of Biodiversity and Ecosystem Services
wish to thank the people and institutions that
helped to make the Report possible.
We are first indebted to the hundreds of
experts in biophysical and social sciences, policymakers
and practitioners, as well as representatives of Indigenous
Peoples and Local Communities, who generously
contributed their time and knowledge, as lead authors,
chapter scientists, resource person, and/or review editors
(listed below), and to all contributing authors. We are
fortunate to have had the opportunity to work with such an
engaged, collegial and superb group of authors.
We are grateful to the members of the IPBES secretariat,
particularly Executive Secretary Anne Larigauderie, the
IPBES Chair (Robert Watson), representatives of member
States, the Multidisciplinary Expert Panel and Bureau
and other resource persons for their dedication, strategic
vision, constructive comments and continued advice.
The Global Assessment would not have been possible
without the titanic effort of its technical support unit (Hien
T. Ngo and Maximilien Guèze) during the whole process,
including the long and challenging seventh session of the
IPBES Plenary (#IPBES7), which resulted in the approval
of this Summary for Policymakers and the acceptance
of the underlying chapters. In addition, we are thankful
for the support of several IPBES technical support
units, and their host institutions at different stages of the
process: Knowledge and data technical support unit
(NIE, Republic of Korea), indigenous and local knowledge
technical support unit (UNESCO), scenarios and models
technical support unit (PBL, Netherlands), and the capacity
building technical support unit (NEA, Norway). We also
thank the data visualization specialist and the graphic
designer for their skillful work. We would like to thank the
IPBES communications team, for their outstanding work
communicating the main messages to the general public.
We are also grateful to all supportive Governments but in
particular the Governments of Germany, South Africa, Norway,
the United Kingdom, France, and the Netherlands as well as
to the Córdoba Province (Argentina), who generously hosted
our chapter and/or author meetings. The co-chairs would
especially like to acknowledge the support of their home
institutions and governments: the Helmholtz Centre for
Environmental Research – UFZ (Germany), iDiv (the German
Centre for Integrative Biodiversity Research), Universidad
Nacional de Córdoba and CONICET (Argentina), and Indiana
University-Bloomington (USA). Finally, our gratitude goes
to the Government of France for hosting #IPBES 7 and to
UNESCO for providing the venue and support. The dedication
and contributions of all of the governments, organizations
and people above made the Global Assessment possible and
impactful and for that we are deeply indebted and appreciative.
Sandra Díaz, Josef Settele, Eduardo S. Brondízio
Co-Chairs
We are grateful to the following lead authors, fellows and chapter scientists of the IPBES Global Assessment:
C. Adams, J. Agard, A. P. D. Aguiar, D. Armenteras, A. Arneth, Y. Aumeeruddy-Thomas, X. Bai, P. Balvanera, T. Bekele Gode, E. Bennett, Y. A. Boafo,
A. K. Boedhihartono, P. Brancalion, K. Brauman, E. Bukvareva, S. Butchart, K. Chan, N. Chettri, W. L. Cheung, B. Czúcz, F. DeClerck, E. Dulloo,
B. Gabrielyan, L. Galetto, K. Galvin, E. García Frapolli, L. Garibaldi, A. P. Gautam, L. R. Gerber, A. Geschke, J. Gutt, S. Hashimoto, A. Heinimann,
A. Hendry, G. C. Hernández Pedraza, T. Hickler, A. I. Horcea-Milcu, S. A. Hussain, K. Ichii, M. Islar, U. Jacob, W. Jetz, J. Jetzkowitz, Md S. Karim,
E. Kelemen, E. Keskin, P. Kindlmann, M. Kok, M. Kolb, Z. Krenova, P. Leadley, J. Liu, J. Liu, G. Lui, M. Mastrangelo, P. McElwee, L. Merino, G. F. Midgley,
P. Miloslavich, P. A. Minang, A. Mohammed, Z. Molnár, I. B. Mphangwe Kosamu, E. Mungatana, R. Muradian, M. Murray-Hudson, N. Nagabhatla,
A. Niamir, N. Nkongolo, T. Oberdorff, D. Obura, P. O’Farrell, P. Osano, B. Öztürk, H. Palang, M. G. Palomo, M. Panahi, U. Pascual, A. Pfaff, R. Pichs
Madruga, S. Polasky, A. Purvis, J. Razzaque, B. Reyers, V. Reyes-García, C. Rondinini, R. Roy Chowdhury, G. M. Rusch, O. Saito, J. Sathyapalan,
T. Satterfield, A. K. Saysel, E. R. Selig, R. Seppelt, L. Shannon, Y. J. Shin, A. Simcock, G. S. Singh, B. Strassburg, S. Subramanian, D. Tarkhnishvili,
E. Turnhout, M. Verma, A. Viña, I. Visseren-Hamakers, M. J. Williams, K. Willis, H. Xu, D. Xue, T. Yue, C. Zayas, L. Balint, Z. Basher, I. Chan, A. Fernandez-
Llamazares, P. Jaureguiberry, M. Lim, A. J. Lynch, A. Mohamed, T. H. Mwampamba, I. Palomo, P. Pliscoff, R. Salimov, A. Samakov, O. Selomane,
U. B. Shrestha, A. Sidorovich, R. Krug, J.H. Spangenberg, E. Strombom, N. Titeux, M. Wiemers, and D. Zaleski.
Review editors:
M. Carneiro da Cunha, G. Mace, H. Mooney, R. Dirzo, S. Demissew, H. Arceo, S. Asah, E. Lambin, J. Mistry, T. Brooks, F. Berkes, M. Chytry, K. Esler,
J. Carabias Lillo and J. Plesnik.
The IPBES Management Committee for the Global Assessment and resource persons:
R. T. Watson, I. A. Baste, A. Larigauderie, P. Leadley, U. Pascual, D. Cooper, B. Baptiste, S. Demissew, L. Dziba, G. Erpul, A. Fazel, M. Fischer,
A. M. Hernández, M. Karki, V. Mathur, T. Pataridze, I. Sousa Pinto, M. Stenseke, K. Török and B. Vilá.
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THE GLOBAL ASSESSMENT REPORT ON BIODIVERSITY AND ECOSYSTEM SERVICES
TABLE OF
CONTENTS
page 2
FOREWORD
page 4
STATEMENTS FROM KEY PARTNERS
page 6
ACKNOWLEDGEMENTS
page 9
KEY MESSAGES
A. Nature and its vital contributions to people
B. Direct and indirect drivers of change
C. Goals for conserving and sustainably using nature and achieving sustainability
D. Nature can be conserved, restored and used sustainably
page 21
7
STATEMENTS FROM KEY PARTNERS
BACKGROUND
A. Nature and its vital contributions to people
B. Direct and indirect drivers of change
C. Goals for conserving and sustainably using nature and achieving sustainability
D. Nature can be conserved, restored and used sustainably
page 49
APPENDICES
APPENDIX 1
Conceptual framework and definitions
APPENDIX 2
Communication of the degree of confidence
APPENDIX 3
Knowledge gaps
APPENDIX 4
Draft table of knowledge gaps
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THE GLOBAL ASSESSMENT REPORT ON BIODIVERSITY AND ECOSYSTEM SERVICES
8
SUMMARY FOR POLICYMAKERS
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THE GLOBAL ASSESSMENT REPORT ON BIODIVERSITY AND ECOSYSTEM SERVICES
KEY
MESSAGES
9
SUMMARY FOR POLICYMAKERS
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THE GLOBAL ASSESSMENT REPORT ON BIODIVERSITY AND ECOSYSTEM SERVICES
KEY
MESSAGES
A. Nature and its vital contributions
to people, which together embody
biodiversity and ecosystem
functions and services, are
deteriorating worldwide.
Nature embodies different concepts for
different people, including biodiversity,
ecosystems, Mother Earth, systems of life
and other analogous concepts. Nature’s
contributions to people embody different
concepts, such as ecosystem goods and
services and nature’s gifts. Both nature and
nature’s contributions to people are vital for
human existence and good quality of life
(human well-being, living in harmony with
nature, living well in balance and harmony
with Mother Earth, and other analogous
concepts). While more food, energy and
materials than ever before are now being
supplied to people in most places, this is
increasingly at the expense of nature’s ability
to provide such contributions in the future,
and frequently undermines nature’s many
other contributions, which range from water
quality regulation to sense of place. The
biosphere, upon which humanity as a whole
depends, is being altered to an unparalleled
degree across all spatial scales. Biodiversity
– the diversity within species, between
species and of ecosystems – is declining
faster than at any time in human history.
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SUMMARY FOR POLICYMAKERS
energy needs, an estimated 4 billion people rely primarily on
natural medicines for their health care and some 70 per cent
of drugs used for cancer are natural or are synthetic
products inspired by nature. Nature, through its ecological
and evolutionary processes, sustains the quality of the air,
fresh water and soils on which humanity depends,
distributes fresh water, regulates the climate, provides
pollination and pest control and reduces the impact of
natural hazards. For example, more than 75 per cent of
global food crop types, including fruits and vegetables and
some of the most important cash crops, such as coffee,
cocoa and almonds, rely on animal pollination. Marine and
terrestrial ecosystems are the sole sinks for anthropogenic
carbon emissions, with a gross sequestration of
5.6 gigatons of carbon per year (the equivalent of some
60 per cent of global anthropogenic emissions). Nature
underpins all dimensions of human health and contributes to
non-material aspects of quality of life – inspiration and
learning, physical and psychological experiences, and
supporting identities – that are central to quality of life and
cultural integrity, even if their aggregated value is difficult to
quantify. Most of nature’s contributions are co-produced
with people, but while anthropogenic assets – knowledge
and institutions, technology infrastructure and financial
capital – can enhance or partially replace some of those
contributions, some are irreplaceable. The diversity of nature
maintains humanity’s ability to choose alternatives in the
face of an uncertain future.
A2
Nature’s contributions to people are often
distributed unequally across space and time and
among different segments of society. There are
often trade-offs in the production and use of
nature’s contributions.
Benefits and burdens associated
with co-production and use of nature’s contributions are
distributed and experienced differently among social groups,
countries and regions. Giving priority to one of nature’s
contributions to people, such as food production, can result
in ecological changes that reduce other contributions. Some
of these changes may benefit some people at the expense
of others, particularly the most vulnerable, as may changes
in technological and institutional arrangements. For
example, although food production today is sufficient to
satisfy global needs, approximately 11 per cent of the
world’s population is undernourished, and diet-related
disease drives 20 per cent of premature mortality, related
both to undernourishment and to obesity. The great
expansion in the production of food, feed, fibre and
bioenergy has occurred at the cost of many other
contributions of nature to quality of life, including regulation
of air and water quality, climate regulation and habitat
provision. Synergies also exist, such as sustainable
agricultural practices that enhance soil quality, thereby
improving productivity and other ecosystem functions and
services, such as carbon sequestration and water
quality regulation.
A1
Nature is essential for human existence and
good quality of life. Most of nature’s contributions
to people are not fully replaceable, and some are
irreplaceable.
Nature plays a critical role in providing food
and feed, energy, medicines and genetic resources and a
variety of materials fundamental for people’s physical
well-being and for maintaining culture. For example, more
than 2 billion people rely on wood fuel to meet their primary
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THE GLOBAL ASSESSMENT REPORT ON BIODIVERSITY AND ECOSYSTEM SERVICES
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SUMMARY FOR POLICYMAKERS
A3
Since 1970, trends in agricultural production,
fish harvest, bioenergy production and harvest of
materials have increased, but 14 of the 18
categories of contributions of nature that were
assessed, mostly regulating and non-material
contributions, have declined.
The value of agricultural
crop production ($2.6 trillion in 2016) has increased
approximately threefold since 1970 and raw timber harvest
has increased by 45 per cent, reaching some 4 billion cubic
metres in 2017, with the forestry industry providing about
13.2 million jobs. However, indicators of regulating
contributions, such as soil organic carbon and pollinator
diversity, have declined, indicating that gains in material
contributions are often not sustainable. Currently, land
degradation has reduced productivity in 23 per cent of the
global terrestrial area, and between $235 billion and
$577 billion
2
in annual global crop output is at risk as a
result of pollinator loss. Moreover, loss of coastal habitats
and coral reefs reduces coastal protection, which increases
the risk from floods and hurricanes to life and property for
the 100 million to 300 million people living within coastal
100-year flood zones.
A4
Nature across most of the globe has now been
significantly altered by multiple human drivers, with
the great majority of indicators of ecosystems and
biodiversity showing rapid decline.
Seventy-five per
cent of the land surface is significantly altered, 66 per cent of
2. Value adjusted to 2015 United States dollars, taking into account
inflation only.
the ocean area is experiencing increasing cumulative
impacts, and over 85 per cent of wetlands (area) has been
lost. While the rate of forest loss has slowed globally since
2000, this is distributed unequally. Across much of the highly
biodiverse tropics, 32 million hectares of primary or
recovering forest were lost between 2010 and 2015. The
extent of tropical and subtropical forests is increasing within
some countries, and the global extent of temperate and
boreal forests is increasing. A range of actions – from
restoration of natural forest to planting of monocultures
– contributes to these increases, but these actions have very
different consequences for biodiversity and its contributions
to people. Approximately half the live coral cover on coral
reefs has been lost since the 1870s, with accelerating losses
in recent decades due to climate change exacerbating other
drivers. The average abundance of native species in most
major terrestrial biomes has fallen by at least 20 per cent,
potentially affecting ecosystem processes and hence
nature’s contributions to people; this decline has mostly
taken place since 1900 and may be accelerating. In areas of
high endemism, native biodiversity has often been severely
impacted by invasive alien species. Population sizes of wild
vertebrate species have tended to decline over the last
50 years on land, in freshwater and in the sea. Global trends
in insect populations are not known but rapid declines have
been well documented in some places.
A5
Human actions threaten more species with
global extinction now than ever before.
An average of
around 25 per cent of species in assessed animal and plant
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THE GLOBAL ASSESSMENT REPORT ON BIODIVERSITY AND ECOSYSTEM SERVICES
groups are threatened
(Figure SPM.3),
suggesting that
around 1 million species already face extinction, many within
decades, unless action is taken to reduce the intensity of
drivers of biodiversity loss. Without such action, there will be
a further acceleration in the global rate of species extinction,
which is already at least tens to hundreds of times higher
than it has averaged over the past 10 million years
(Figure SPM.4).
B. Direct and indirect drivers of
change have accelerated during
the past 50 years.
The rate of global change in nature during
the past 50 years is unprecedented in
human history. The direct drivers of change
in nature with the largest global impact
have been (starting with those with most
impact): changes in land and sea use; direct
exploitation of organisms; climate change;
pollution; and invasion of alien species.
Those five direct drivers result from an array
of underlying causes – the indirect drivers of
change – which are in turn underpinned by
societal values and behaviours that include
production and consumption patterns,
human population dynamics and trends,
trade, technological innovations and local
through global governance. The rate of
change in the direct and indirect drivers
differs among regions and countries.
A6
Globally, local varieties and breeds of
domesticated plants and animals are disappearing.
This loss of diversity, including genetic diversity,
poses a serious risk to global food security by
undermining the resilience of many agricultural
systems to threats such as pests, pathogens and
climate change.
Fewer and fewer varieties and breeds of
plants and animals are being cultivated, raised, traded and
maintained around the world, despite many local efforts,
which include those by indigenous peoples and local
communities. By 2016, 559 of the 6,190 domesticated
breeds of mammals used for food and agriculture (over 9 per
cent) had become extinct and at least 1,000 more are
threatened. In addition, many crop wild relatives that are
important for long-term food security lack effective
protection, and the conservation status of wild relatives of
domesticated mammals and birds is worsening. Reductions
in the diversity of cultivated crops, crop wild relatives and
domesticated breeds mean that agroecosystems are less
resilient against future climate change, pests and pathogens.
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SUMMARY FOR POLICYMAKERS
B1
For terrestrial and freshwater ecosystems,
A7
Biological communities are becoming more
similar to each other in both managed and
unmanaged systems within and across regions.
This human-caused process leads to losses of local
biodiversity, including endemic species, ecosystem
functions and nature’s contributions to people.
land-use change has had the largest relative
negative impact on nature since 1970, followed by
the direct exploitation, in particular
overexploitation, of animals, plants and other
organisms, mainly via harvesting, logging, hunting
and fishing. In marine ecosystems, direct
exploitation of organisms (mainly fishing) has had
the largest relative impact, followed by land-/
sea-use change.
Agricultural expansion is the most
widespread form of land-use change, with over one third of
the terrestrial land surface being used for cropping or animal
husbandry. This expansion, alongside a doubling of urban
area since 1992 and an unprecedented expansion of
infrastructure linked to growing population and
consumption, has come mostly at the expense of forests
(largely old-growth tropical forests), wetlands and
grasslands. In freshwater ecosystems, a series of combined
threats that include land-use change, including water
extraction, exploitation, pollution, climate change and
invasive species, are prevalent. Human activities have had a
large and widespread impact on the world’s oceans. These
include direct exploitation, in particular overexploitation, of
fish, shellfish and other organisms, land- and sea-based
pollution, including from river networks, and land-/sea-use
change, including coastal development for infrastructure
and aquaculture.
A8
Human-induced changes are creating
conditions for fast biological evolution – so rapid
that its effects can be seen in only a few years or
even more quickly. The consequences can be
positive or negative for biodiversity and
ecosystems, but can create uncertainty about the
sustainability of species, ecosystem functions and
the delivery of nature’s contributions to people.
Understanding and monitoring these biological evolutionary
changes is as important for informed policy decisions as it is
in cases of ecological change. Sustainable management
strategies then can be designed to influence evolutionary
trajectories so as to protect vulnerable species and reduce
the impact of unwanted species (such as weeds, pests or
pathogens). The widespread declines in geographic
distribution and population sizes of many species make
clear that, although evolutionary adaptation to human-
caused drivers can be rapid, it has often not been sufficient
to mitigate them fully.
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THE GLOBAL ASSESSMENT REPORT ON BIODIVERSITY AND ECOSYSTEM SERVICES
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SUMMARY FOR POLICYMAKERS
B2
Climate change is a direct driver that is
increasingly exacerbating the impact of other
drivers on nature and human well-being.
Humans are
estimated to have caused an observed warming of
approximately 1.0°C by 2017 relative to pre-industrial levels,
with average temperatures over the past 30 years rising by
0.2°C per decade. The frequency and intensity of extreme
weather events, and the fires, floods and droughts that they
can bring, have increased in the past 50 years, while the
global average sea level has risen by between 16 and 21 cm
since 1900, and at a rate of more than 3 mm per year over
the past two decades. These changes have contributed to
widespread impacts in many aspects of biodiversity,
including species distribution, phenology, population
dynamics, community structure and ecosystem function.
According to observational evidence, the effects are
accelerating in marine, terrestrial and freshwater ecosystems
and are already impacting agriculture, aquaculture, fisheries
and nature’s contributions to people. The compounding
effects of drivers such as climate change, land-/sea-use
change, overexploitation of resources, pollution and invasive
alien species are likely to exacerbate the negative impacts
on nature, as seen in different ecosystems including coral
reefs, the Arctic systems and savannas.
86 per cent of marine turtles, 44 per cent of seabirds and
43 per cent of marine mammals. This can affect humans
through food chains. Greenhouse gas emissions, untreated
urban and rural waste, pollutants from industrial, mining and
agricultural activities, oil spills and toxic dumping have had
strong negative effects on soil, freshwater and marine water
quality and on the global atmosphere. Cumulative records of
alien species have increased by 40 per cent since 1980,
associated with increased trade and human population
dynamics and trends. Nearly one fifth of the Earth’s surface
is at risk of plant and animal invasions, impacting native
species, ecosystem functions and nature’s contributions to
people, as well as economies and human health. The rate of
introduction of new invasive alien species seems higher than
ever before and shows no signs of slowing.
B4
In the past 50 years, the human population has
doubled, the global economy has grown nearly
fourfold and global trade has grown tenfold,
together driving up the demand for energy and
materials.
A variety of economic, political and social factors,
including global trade and the spatial decoupling of
production from consumption, have shifted the economic
and environmental gains and losses of production and
consumption, contributing to new economic opportunities,
but also to impacts on nature and its contributions to people.
Levels of consumption of material goods (food, feed, timber
and fibre) vary greatly, and unequal access to material goods
can be associated with inequity and may lead to social
conflict. Economic exchange contributes to aggregate
economic development, yet often is negotiated between
B3
Many types of pollution, as well as invasive
alien species, are increasing, with negative
impacts for nature.
Although global trends are mixed, air,
water and soil pollution have continued to increase in some
areas. Marine plastic pollution in particular has increased
tenfold since 1980, affecting at least 267 species, including
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THE GLOBAL ASSESSMENT REPORT ON BIODIVERSITY AND ECOSYSTEM SERVICES
actors and institutions of unequal power, which influences the
distribution of benefits and long-term impacts. Countries at
different levels of development have experienced different
levels of deterioration of nature for any given gain in economic
growth. Exclusion, scarcity and/or the unequal distribution of
nature’s contributions to people may fuel social instability and
conflict in a complex interaction with other factors. Armed
conflicts have an impact on ecosystems beyond their
destabilizing effects on societies, and a range of indirect
impacts, including the displacement of people and activities.
B5
Economic incentives have generally favoured
expanding economic activity, and often
environmental harm, over conservation or
restoration. Incorporating the consideration of the
multiple values of ecosystem functions and of
nature’s contributions to people into economic
incentives has, in the economy, been shown to
permit better ecological, economic and social
outcomes.
Local, national, regional and global governance
initiatives have improved outcomes in this way by supporting
policies, innovation and the elimination of environmentally
harmful subsidies, introducing incentives in line with the value
of nature’s contribution to people, increasing sustainable
land-/sea-use management and enforcing regulations,
among other measures. Harmful economic incentives and
policies associated with unsustainable practices in fisheries,
aquaculture, agriculture (including fertilizer and pesticide use),
livestock management, forestry, mining and energy (including
fossil fuels and biofuels) are often associated with land-/
sea-use change and overexploitation of natural resources, as
well as inefficient production and waste management. Vested
interests may oppose the removal of subsidies or the
introduction of other policies. Yet policy reforms to deal with
such causes of environmental harm offer the potential to
both conserve nature and provide economic benefits,
including when policies are based on more and better
understanding of the multiple values of nature’s contributions.
manage significant areas under various property and access
regimes. Among the local indicators developed and used by
indigenous peoples and local communities, 72 per cent
show negative trends in nature that underpin local
livelihoods and well-being. The areas managed (under
various types of tenure and access regimes) by indigenous
peoples and local communities are facing growing resource
extraction, commodity production, mining and transport and
energy infrastructure, with various consequences for local
livelihoods and health. Some climate change mitigation
programmes have had negative impacts on indigenous
peoples and local communities. The negative impacts of all
these pressures include continued loss of subsistence and
traditional livelihoods resulting from ongoing deforestation,
loss of wetlands, mining, the spread of unsustainable
agriculture, forestry and fishing practices and impacts on
health and well-being from pollution and water insecurity.
These impacts also challenge traditional management, the
transmission of indigenous and local knowledge, the
potential for sharing of benefits arising from the use of, and
the ability of indigenous peoples and local communities to
conserve and sustainably manage, wild and domesticated
biodiversity that are also relevant to broader society.
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SUMMARY FOR POLICYMAKERS
C. Goals for conserving and
sustainably using nature and
achieving sustainability cannot
be met by current trajectories,
and goals for 2030 and beyond
may only be achieved through
transformative changes
4
across
economic, social, political and
technological factors.
Past and ongoing rapid declines in
biodiversity, ecosystem functions and many
of nature’s contributions to people mean that
most international societal and environmental
goals, such as those embodied in the Aichi
Biodiversity Targets and the 2030 Agenda
for Sustainable Development, will not be
achieved based on current trajectories.
These declines will also undermine other
goals, such as those specified in the Paris
Agreement adopted under the United
Nations Framework Convention on Climate
Change and the 2050 Vision for Biodiversity.
4. A fundamental, system-wide reorganization across technological, economic
and social factors, including paradigms, goals and values.
B6
Nature managed by indigenous peoples and
local communities is under increasing pressure.
Nature is generally declining less rapidly in
indigenous peoples’ land than in other lands, but is
nevertheless declining, as is the knowledge of how
to manage it. At least a quarter of the global land
area is traditionally owned, managed
3
, used or
occupied by indigenous peoples.
These areas include
approximately 35 per cent of the area that is formally
protected, and approximately 35 per cent of all remaining
terrestrial areas with very low human intervention. In
addition, a diverse array of local communities, including
farmers, fishers, herders, hunters, ranchers and forest users,
3. These data sources define land management here as the process of
determining the use, development and care of land resources in a manner
that fulfils material and non-material cultural needs, including livelihood
activities such as hunting, fishing, gathering, resource harvesting, pastoralism
and small-scale agriculture and horticulture.
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The negative trends in biodiversity and
ecosystem functions are projected to
continue or worsen in many future scenarios
in response to indirect drivers such as rapid
human population growth, unsustainable
production and consumption and associated
technological development. In contrast,
scenarios and pathways that explore the
effects of low-to-moderate population
growth, and transformative changes in the
production and consumption of energy,
food, feed, fibre and water, sustainable
use, equitable sharing of the benefits
arising from use and nature-friendly climate
adaptation and mitigation will better support
the achievement of future societal and
environmental objectives.
relating to nature and the protection of the global
environment are demonstrably on track to be met. For nearly
one third of the goals of these conventions, there has been
little or no progress towards them or, instead, movement
away from them.
C2
Nature is essential for achieving the
Sustainable Development Goals. However, taking
into consideration that the Sustainable
Development Goals are integrated, indivisible, and
nationally implemented, current negative trends in
biodiversity and ecosystems will undermine
progress towards 80 per cent (35 out of 44) of the
assessed targets of Goals related to poverty,
hunger, health, water, cities, climate, oceans and
land (Sustainable Development Goals 1, 2, 3, 6, 11,
13, 14, and 15).
Important positive synergies between
nature and the Goals related to education, gender equality,
reducing inequalities and promoting peace and justice
(Sustainable Development Goals 4, 5, 10 and 16) were
found. Land or resource tenure insecurity, as well as
declines in nature, have greater impacts on women and
girls, who are most often negatively impacted. However, the
current focus and wording of the targets of these Goals
obscures or omits their relationship to nature, thereby
preventing their assessment here. There is a critical need for
future policy targets, indicators and datasets to more
explicitly account for aspects of nature and their relevance
to human well-being in order to more effectively track the
consequences of trends in nature on the Sustainable
Development Goals. Some pathways chosen to achieve the
Goals related to energy, economic growth, industry and
infrastructure, and sustainable consumption and production
(Sustainable Development Goals 7, 8, 9 and 12), as well as
the targets related to poverty, food security and cities
(Sustainable Development Goals 1, 2 and 11), could have
substantial positive or negative impacts on nature and
therefore on the achievement of the other Sustainable
Development Goals.
C1
The implementation of policy responses and
actions to conserve nature and manage it more
sustainably has progressed, yielding positive
outcomes relative to scenarios of no intervention,
but progress is not sufficient to stem the direct and
indirect drivers of nature deterioration. It is
therefore likely that most of the Aichi Biodiversity
Targets for 2020 will be missed.
Some of the Aichi
Biodiversity Targets will be partially achieved, for example
those related to policy responses, such as the spatial extent
of terrestrial and marine protected areas, the identification
and prioritization of invasive alien species, national
biodiversity strategies and action plans, and the Nagoya
Protocol on Access to Genetic Resources and the Fair and
Equitable Sharing of Benefits Arising from their Utilization to
the Convention on Biological Diversity. However, while
protected areas now cover 15 per cent of terrestrial and
freshwater environments and 7 per cent of the marine realm,
they only partly cover important sites for biodiversity and are
not yet fully ecologically representative and effectively or
equitably managed. There has been significant growth in
official development assistance in support of the Convention
on Biological Diversity and in funding provided by the Global
Environment Facility, with biodiversity aid flows reaching
$8.7 billion annually. However, current resource mobilization
from all sources is not sufficient to achieve the Aichi
Biodiversity Targets. In addition, only one in five of the
strategic objective and goals across six global agreements
5
5. Convention on the Conservation of Migratory Species of Wild Animals,
Convention on International Trade in Endangered Species of Wild Fauna
and Flora, Convention concerning the Protection of the World Cultural and
Natural Heritage, International Plant Protection Convention, United Nations
Convention to Combat Desertification in Those Countries Experiencing
Serious Drought and/or Desertification, Particularly in Africa, and Convention
on Wetlands of International Importance especially as Waterfowl Habitat.
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SUMMARY FOR POLICYMAKERS
C3
Areas of the world projected to experience
significant negative effects from global changes in
climate, biodiversity, ecosystem functions and
nature’s contributions to people are also home to
large concentrations of indigenous peoples and
many of the world’s poorest communities.
Because
of their strong dependency on nature and its contributions
for subsistence, livelihoods and health, those communities
will be disproportionately hard-hit by those negative
changes. Those negative effects also influence the ability of
indigenous peoples and local communities to manage and
conserve wild and domesticated biodiversity and nature’s
contributions to people. Indigenous peoples and local
communities have been proactively confronting such
challenges in partnership with each other and with an array
of other stakeholders, through co-management systems
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and local and regional monitoring networks and by
revitalizing and adapting local management systems.
Regional and global scenarios lack an explicit consideration
of the views, perspectives and rights of indigenous peoples
and local communities, their knowledge and understanding
of large regions and ecosystems, and their desired future
development pathways.
C4
Except in scenarios that include transformative
change, negative trends in nature, in ecosystem
functions and in many of nature’s contributions to
people are projected to continue to 2050 and
beyond, due to the projected impacts of increasing
land-/and sea-use change, exploitation of
organisms and climate change.
Negative impacts
arising from pollution and invasive alien species will likely
exacerbate these trends. There are large regional differences
in the projected patterns of future biodiversity and
ecosystem functions and in the losses and changes in
nature’s contributions to people. These differences arise
from the direct and indirect drivers of change, which are
projected to impact regions in different ways. While regions
worldwide face further declines in biodiversity in future
projections, tropical regions face particular combined risks
of declines due to the interactions between climate change,
land-use change and fisheries exploitation. Marine and
terrestrial biodiversity in boreal, subpolar and polar regions is
projected to decline mostly because of warming, sea ice
retreat and enhanced ocean acidification. The magnitude of
the impacts and the differences between regions are much
greater in scenarios with rapid increases in consumption or
human population than in scenarios based on sustainability.
Acting immediately and simultaneously on the multiple
indirect and direct drivers has the potential to slow, halt and
even reverse some aspects of biodiversity and
ecosystem loss.
Climate change is projected to become
increasingly important as a direct driver of
changes in nature and its contributions to people
in the next decades. Scenarios show that meeting
the Sustainable Development Goals and the 2050
Vision for Biodiversity depends on taking into
account climate change impacts in the definition
of future goals and objectives.
The future impacts of
climate change are projected to become more pronounced
in the next decades, with variable relative effects
depending on scenario and geographic region. Scenarios
project mostly adverse climate change effects on
biodiversity and ecosystem functioning, which worsen, in
some cases exponentially, with incremental global
warming. Even for global warming of 1.5°C to 2°C, the
majority of terrestrial species ranges are projected to shrink
dramatically. Changes in ranges can adversely affect the
capacity of terrestrial protected areas to conserve species,
greatly increase local species turnover and substantially
increase the risk of global extinctions. For example, a
synthesis of many studies estimates that the fraction of
species at risk of climate-related extinction is 5 per cent at
2°C warming and rises to 16 per cent at 4.3°C warming.
Coral reefs are particularly vulnerable to climate change
and are projected to decline to 10 to 30 per cent of former
cover at 1.5°C warming and to less than 1 per cent of
former cover at 2°C warming. Therefore, scenarios show
that limiting global warming to well below 2°C plays a
critical role in reducing adverse impacts on nature and its
contributions to people.
D. Nature can be conserved,
restored and used sustainably
while other global societal goals
are simultaneously met through
urgent and concerted efforts
fostering transformative change.
Societal goals, including those related
to food, water, energy, health and the
achievement of human well-being for all,
mitigating and adapting to climate change
and conserving and sustainably using
nature, can be achieved in sustainable
pathways through the rapid and improved
deployment of existing policy instruments
and new initiatives that more effectively
enlist individual and collective action for
transformative change. Since current
structures often inhibit sustainable
development and actually represent the
indirect drivers of biodiversity loss, such
fundamental, structural change is called
for. By its very nature, transformative
change can expect opposition from those
with interests vested in the status quo,
but such opposition can be overcome
for the broader public good. If obstacles
are overcome, a commitment to mutually
supportive international goals and targets,
supporting actions by indigenous peoples
and local communities at the local level, new
frameworks for private sector investment
and innovation, inclusive and adaptive
governance approaches and arrangements,
multi-sectoral planning, and strategic policy
mixes can help to transform the public and
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SUMMARY FOR POLICYMAKERS
C5
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THE GLOBAL ASSESSMENT REPORT ON BIODIVERSITY AND ECOSYSTEM SERVICES
private sectors to achieve sustainability at
the local, national and global levels.
D1
The global environment can be safeguarded
through enhanced international cooperation and
linked, locally relevant measures. The review and
renewal of internationally agreed environment-
related goals and targets, based on the best
available scientific knowledge and the widespread
adoption and funding of action on conservation,
ecological restoration and sustainable use by all
actors, including individuals, are key to this
safeguarding.
Such widespread adoption implies
advancing and aligning local, national and international
sustainability efforts and mainstreaming biodiversity and
sustainability across all extractive and productive sectors,
including mining, fisheries, forestry and agriculture, so that
together, individual and collective actions result in a reversal
of the deterioration of ecosystem services at the global level.
Yet these bold changes to the direct drivers of the
deterioration of nature cannot be achieved without
transformative change that simultaneously addresses the
indirect drivers.
D2
Five main interventions (“levers”) can
generate transformative change by tackling the
underlying indirect drivers of the deterioration of
nature: (1) incentives and capacity-building;
(2) cross-sectoral cooperation; (3) pre-emptive
action; (4) decision-making in the context of
resilience and uncertainty; and (5) environmental
law and implementation.
Using these levers will involve
the following: (1) developing incentives and widespread
capacity for environmental responsibility and eliminating
perverse incentives; (2) reforming sectoral and segmented
decision-making to promote integration across sectors and
jurisdictions; (3) taking pre-emptive and precautionary
actions in regulatory and management institutions and
businesses to avoid, mitigate and remedy the deterioration
of nature, and monitoring their outcomes; (4) managing for
resilient social and ecological systems in the face of
uncertainty and complexity, to deliver decisions that are
robust in a wide range of scenarios; and (5) strengthening
environmental laws and policies and their implementation,
and the rule of law more generally. All five levers may require
new resources, particularly in low-capacity contexts, such
as in many developing countries.
D4
The character and trajectories of
transformation will vary across contexts, with
challenges and needs differing, among others, in
developing and developed countries. Risks related
to the inevitable uncertainties and complexities in
transformations towards sustainability can be
reduced through governance approaches that are
integrative, inclusive, informed and adaptive.
Such
approaches typically take into account the synergies and
trade-offs between societal goals and alternative pathways
and recognize a plurality of values, diverse economic
conditions, inequity, power imbalances and vested interests
in society. Risk-reducing strategies typically include learning
from experience that is based on a combination of
precautionary measures and existing and emerging
knowledge. These approaches involve stakeholders in the
coordination of policies across sectors and in the creation of
strategic, locally relevant mixes of successful policy
instruments. The private sector can play a role in partnership
with other actors, including national and subnational
governments and civil society; for example, public-private
partnerships in the water sector have been an important
vehicle for financing investments to meet the Sustainable
Development Goals. Some effective policy measures include
the expansion and strengthening of ecologically
representative, well-connected protected-area networks and
of other effective area-based conservation measures; the
D3
Transformations towards sustainability are
more likely when efforts are directed at the
following key leverage points, where efforts yield
exceptionally large effects
(Figure SPM.9):
(1) visions of a good life; (2) total consumption and
waste; (3) values and action; (4) inequalities;
SUMMARY FOR POLICYMAKERS
(5) justice and inclusion in conservation;
(6) externalities and telecouplings; (7) technology,
innovation and investment; and (8) education and
knowledge generation and sharing.
Specifically, the
following changes are mutually reinforcing: (1) enabling
visions of a good quality of life that do not entail ever-
increasing material consumption; (2) lowering total
consumption and waste, including by addressing both
population growth and per capita consumption differently in
different contexts; (3) unleashing existing, widely-held values
of responsibility to effect new social norms for sustainability,
especially by extending notions of responsibility to include
the impacts associated with consumption; (4) addressing
inequalities, especially regarding income and gender, which
undermine the capacity for sustainability; (5) ensuring
inclusive decision-making and the fair and equitable sharing
of benefits arising from the use of and adherence to human
rights in conservation decisions; (6) accounting for nature
deterioration from local economic activities and
socioeconomic and environmental interactions over
distances (telecouplings), including, for example,
international trade; (7) ensuring environmentally friendly
technological and social innovation, taking into account
potential rebound effects and investment regimes; and
(8) promoting education, knowledge generation and the
maintenance of different knowledge systems, including in
the sciences and indigenous and local knowledge, regarding
nature, conservation and its sustainable use.
17
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THE GLOBAL ASSESSMENT REPORT ON BIODIVERSITY AND ECOSYSTEM SERVICES
protection of watersheds; and incentives and sanctions to
reduce pollution
(Table SPM.1).
D5
Recognizing the knowledge, innovations,
practices, institutions and values of indigenous
peoples and local communities, and ensuring their
inclusion and participation in environmental
governance, often enhances their quality of life and
the conservation, restoration and sustainable use
of nature, which is relevant to broader society.
Governance, including customary institutions and
management systems and co-management regimes
that involve indigenous peoples and local
communities, can be an effective way to safeguard
nature and its contributions to people by
incorporating locally attuned management systems
and indigenous and local knowledge.
The positive
contributions of indigenous peoples and local communities
to sustainability can be facilitated through national
recognition of land tenure, access and resource rights in
accordance with national legislation, the application of free,
prior and informed consent, and improved collaboration, fair
and equitable sharing of benefits arising from the use, and
co-management arrangements with local communities.
example, ecosystem-based approaches to fisheries
management, spatial planning, effective quotas, marine
protected areas, protecting and managing key marine
biodiversity areas, reducing run-off pollution into oceans and
working closely with producers and consumers
(Table
SPM.1).
It is important to enhance capacity-building for the
adoption of best fisheries management practices; adopt
measures to promote conservation financing and corporate
social responsibility; develop new legal and binding
instruments; implement and enforce global agreements for
responsible fisheries; and urgently take all steps necessary
to prevent, deter and eliminate illegal, unreported and
unregulated fishing.
D8
Land-based climate change mitigation
activities can be effective and support
conservation goals
(Table SPM.1).
However, the
large-scale deployment of bioenergy plantations
and afforestation of non-forest ecosystems can
come with negative side effects for biodiversity
and ecosystem functions.
Nature-based solutions with
safeguards are estimated to provide 37 per cent of climate
change mitigation until 2030 needed to meet the goal of
keeping climate warming below 2°C, with likely co-benefits
for biodiversity. Therefore, land-use actions are
indispensable, in addition to strong actions to reduce
greenhouse gas emissions from fossil fuel use and other
industrial and agricultural activities. However, the large-
scale deployment of intensive bioenergy plantations,
including monocultures, replacing natural forests and
subsistence farmlands, will likely have negative impacts on
biodiversity and can threaten food and water security as
well as local livelihoods, including by intensifying
social conflict.
18
SUMMARY FOR POLICYMAKERS
D6
Feeding humanity and enhancing the
conservation and sustainable use of nature are
complementary and closely interdependent goals
that can be advanced through sustainable
agriculture, aquaculture and livestock systems, the
safeguarding of native species, varieties, breeds
and habitats, and ecological restoration.
Specific
actions include promoting sustainable agricultural and
agroecological practices, such as multifunctional landscape
planning and cross-sectoral integrated management, that
support the conservation of genetic diversity and the
associated agricultural biodiversity. Further actions to
simultaneously achieve food security, biodiversity protection
and sustainable use are context appropriate climate change
mitigation and adaptation; incorporating knowledge from
various systems, including the sciences and sustainable
indigenous and local practices; avoiding food waste;
empowering producers and consumers to transform supply
chains; and facilitating sustainable and healthy dietary
choices. As part of integrated landscape planning and
management, prompt ecological restoration, emphasizing
the use of native species, can offset the current degradation
and save many endangered species, but is less effective
if delayed.
D9
Nature-based solutions can be cost-effective
for meeting the Sustainable Development Goals in
cities, which are crucial for global sustainability.
Increased use of green infrastructure and other ecosystem-
based approaches can help to advance sustainable urban
development while reinforcing climate mitigation and
adaptation. Urban key biodiversity areas should be
safeguarded. Solutions can include retrofitting green and
blue infrastructure, such as creating and maintaining green
spaces and biodiversity-friendly water bodies, urban
agriculture, rooftop gardens and expanded and accessible
vegetation cover in existing urban and peri-urban areas and
new developments. Green infrastructure in urban and
surrounding rural areas can complement large-scale “grey
infrastructure” in areas such as flood protection, temperature
regulation, cleaning of air and water, treating wastewater
and the provision of energy, locally sourced food and the
health benefits of interaction with nature.
D7
Sustaining and conserving fisheries and
marine species and ecosystems can be achieved
through a coordinated mix of interventions on land,
in freshwater and in the oceans, including
multilevel coordination across stakeholders on the
use of open oceans.
Specific actions could include, for
D10
A key component of sustainable pathways is
the evolution of global financial and economic
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THE GLOBAL ASSESSMENT REPORT ON BIODIVERSITY AND ECOSYSTEM SERVICES
systems to build a global sustainable economy,
steering away from the current, limited paradigm of
economic growth.
That implies incorporating the
reduction of inequalities into development pathways,
reducing overconsumption and waste and addressing
environmental impacts, such as externalities of economic
activities, from the local to the global scales. Such an
evolution could be enabled through a mix of policies and
tools (such as incentive programmes, certification and
performance standards) and through more internationally
consistent taxation, supported by multilateral agreements
and enhanced environmental monitoring and evaluation. It
would also entail a shift beyond standard economic
indicators such as gross domestic product to include those
able to capture more holistic, long-term views of economics
and quality of life.
19
SUMMARY FOR POLICYMAKERS
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20
SUMMARY FOR POLICYMAKERS
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THE GLOBAL ASSESSMENT REPORT ON BIODIVERSITY AND ECOSYSTEM SERVICES
BACK-
GROUND
21
SUMMARY FOR POLICYMAKERS
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THE GLOBAL ASSESSMENT REPORT ON BIODIVERSITY AND ECOSYSTEM SERVICES
BACKGROUND
A. Nature and its vital contributions to people, which
together embody biodiversity and ecosystem functions and
services, are deteriorating worldwide.
Nature underpins quality of life by providing
basic life support for humanity (regulating), as well
as material goods (material) and spiritual inspiration
(non-material)
(well established)
{2.3.1, 2.3.2}. Most
of nature’s contributions to people (NCP) are
co-produced by biophysical processes and
ecological interactions with anthropogenic assets
such as knowledge, infrastructure, financial capital,
technology and the institutions that mediate them
(well established)
{2.3.2}
(Appendix I).
For example,
marine and freshwater-based food is co-produced by the
combination of fish populations, fishing gear, and access to
fishing grounds {2.3.3} There is unequal access to nature’s
contributions and unequal impact of nature’s contributions
on different social groups
(established but incomplete)
{2.3.5}. Furthermore, increases in the production of some of
nature’s contributions cause declines in others
(Figure
SPM.1)
{2.3.2, 2.3.5}, which also affects people differently
(well established).
For example, clearing of forest for
agriculture has increased the supply of food, feed, (NCP 12)
and other materials important for people (such as natural
fibres and ornamental flowers: NCP 13), but has reduced
contributions as diverse as pollination (NCP 2), climate
regulation (NCP 4), water quality regulation (NCP 7),
opportunities for learning and inspiration (NCP 15) and the
maintenance of options for the future (NCP 18). However,
very few large-scale systematic studies exist on those
relationships {2.3.2}. Land degradation has reduced
productivity in 23 per cent of the global terrestrial area, and
between $235 billion and $577 billion in annual global crop
output is at risk as a result of pollinator loss {2.3.5.3}
(established but incomplete).
Many of nature’s contributions to people are
essential for human health (well
established)
and their
decline thus threatens a good quality of life
(established
but incomplete)
{2.3.4}.
Nature provides a
broad diversity of nutritious foods, medicines and clean
water
(well established)
{2.3.5.2, 3.3.2.1, 3.3.2.2
(Sustainable Development Goal 3)}; can help to regulate
disease and the immune system {2.3.4.2}; can reduce levels
of certain air pollutants
(established but incomplete)
{2.3.4.2,
3.3.2.2}; and can improve mental and physical health
through exposure to natural areas
(inconclusive),
among
other contributions {2.3.2.2, 2.3.4.2, 3.3.2.2 (Sustainable
1
22
SUMMARY FOR POLICYMAKERS
Development Goal 3)}. Nature is the origin of most infectious
diseases (negative impact), but also the source of medicines
and antibiotics for treatment (positive contribution)
(well
established).
Zoonotic diseases are significant threats to
human health, with vector-borne diseases accounting for
approximately 17 per cent of all infectious diseases and
causing an estimated 700,000 deaths globally per annum
(established but incomplete)
{3.3.2.2}. Emerging infectious
diseases in wildlife, domestic animals, plants or people can be
exacerbated by human activities such as land clearing and
habitat fragmentation
(established but incomplete)
or the
overuse of antibiotics driving rapid evolution of antibiotic
resistance in many bacterial pathogens
(well established)
{3.3.2.2}. The deterioration of nature and consequent
disruption of benefits to people has both direct and indirect
implications for public health
(well established)
{2.3.5.2} and
can exacerbate existing inequalities in access to health care or
healthy diets
(established but incomplete)
{2.3.4.2}. Shifting
diets towards a diversity of foods, including fish, fruit, nuts
and vegetables, significantly reduces the risk of certain
preventable non-communicable diseases, which are
currently responsible for 20 per cent of premature mortality
globally
(well established)
{2.3.4.2, 2.3.5.2 (NCP 2 and 12)}.
Most of nature’s contributions are not fully
replaceable, yet some contributions of nature are
irreplaceable (well
established).
Loss of diversity, such
as phylogenetic and functional diversity, can permanently
reduce future options, such as wild species that might be
domesticated as new crops and be used for genetic
improvement {2.3.5.3}. People have created substitutes for
some other contributions of nature, but many of them are
imperfect or financially prohibitive {2.3.2.2}. For example,
high-quality drinking water can be realized either through
ecosystems that filter pollutants or through human-
engineered water treatment facilities {2.3.5.3}. Similarly,
coastal flooding from storm surges can be reduced either by
coastal mangroves or by dikes and sea walls {2.3.5.3}. In
both cases, however, built infrastructure can be extremely
expensive, incur high future costs and fail to provide
synergistic benefits such as nursery habitats for edible fish
or recreational opportunities {2.3.5.2}. More generally,
human-made replacements often do not provide the full
range of benefits provided by nature {2.3.2.2}
(Figure SPM.1).
3
2
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THE GLOBAL ASSESSMENT REPORT ON BIODIVERSITY AND ECOSYSTEM SERVICES
Nature’s contribution to people
REGULATION OF ENVIRONMENTAL PROCESSES
1 Habitat creation and
maintenance
2 Pollination and dispersal
of seeds and other
propagules
3 Regulation of air quality
4 Regulation of climate
5 Regulation of ocean
acidification
6 Regulation of freshwater
quantity, location and timing
7 Regulation of freshwater
and coastal water quality
8 Formation, protection and
decontamination of soils
and sediments
9 Regulation of hazards and
extreme events
10 Regulation of detrimental
organisms and biological
processes
50-year global trend
Directional trend
across regions
Selected indicator
• Extent of suitable habitat
• Biodiversity intactness
• Pollinator diversity
• Extent of natural habitat in agricultural
areas
• Retention and prevented emissions of
air pollutants by ecosystems
• Prevented emissions and uptake of
greenhouse gases by ecosystems
• Capacity to sequester carbon by
marine and terrestrial environments
• Ecosystem impact on
air-surface-ground water partitioning
• Extent of ecosystems that filter or add
constituent components to water
• Soil organic carbon
• Ability of ecosystems to absorb and
buffer hazards
• Extent of natural habitat in agricultural
areas
• Diversity of competent hosts of
vector-borne diseases
• Extent of agricultural land—potential
land for bioenergy production
• Extent of forested land
• Extent of agricultural land—potential
land for food and feed production
• Abundance of marine fish stocks
• Extent of agricultural land—potential
land for material production
• Extent of forested land
• Fraction of species locally known and
used medicinally
• Phylogenetic diversity
• Number of people in close proximity to
nature
• Diversity of life from which to learn
23
SUMMARY FOR POLICYMAKERS
N O N - M A T E R I A L MA T ERIAL S AN D AS SISTA NC E
11 Energy
12 Food and feed
13 Materials and assistance
14 Medicinal, biochemical
and genetic resources
15 Learning and inspiration
!?
16 Physical and psychological
experiences
17 Supporting identities
• Area of natural and traditional
landscapes and seascapes
• Stability of land use and land cover
• Species’ survival probability
18 Maintenance of options
• Phylogenetic diversity
Decrease
Global trends:
Increase
Well established
DIRECTIONAL
TREND
Across regions:
Consistent
Variable
LEVELS OF
CERTAINTY
Established but incomplete
Unresolved
Figure SPM
1
Global trends in the capacity of nature to sustain contributions to good quality of
life from 1970 to the present, which show a decline for 14 of the 18 categories of
nature’s contributions to people analysed.
Data supporting global trends and regional variations come from a systematic review of over 2,000 studies {2.3.5.1}. Indicators were
selected on the basis of availability of global data, prior use in assessments and alignment with 18 categories. For many categories of
nature’s contributions, two indicators are included that show different aspects of nature’s capacity to contribute to human well-being
within that category. Indicators are defined so that an increase in the indicator is associated with an improvement in nature’s contributions.
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THE GLOBAL ASSESSMENT REPORT ON BIODIVERSITY AND ECOSYSTEM SERVICES
24
SUMMARY FOR POLICYMAKERS
Humanity is a dominant global influence on life
on earth, and has caused natural terrestrial,
freshwater and marine ecosystems to decline (well
established)
{2.2.5.2}
(Figure SPM.2).
Global indicators of
ecosystem extent and condition have shown a decrease by
an average of 47 per cent of their estimated natural
baselines, with many continuing to decline by at least 4 per
cent per decade
(established but incomplete)
{2.2.5.2.1}.
On land, particularly sensitive ecosystems include old-
growth forests, insular ecosystems, and wetlands; and only
around 25 per cent of land is sufficiently unimpacted that
ecological and evolutionary processes still operate with
minimal human intervention
(established but incomplete)
{2.2.3.4.1, 2.2.5.2.1}. In terrestrial “hotspots” of endemic
species, natural habitats have generally undergone greater
reductions to date in extent and condition, and tend to be
experiencing more rapid ongoing decline, on average than
other terrestrial regions {2.2.5.2.1}. Globally, the net rate of
forest loss has halved since the 1990s, largely because of
net increases in temperate and high latitude forests;
high-biodiversity tropical forests continue to dwindle, and
global forest area is now approximately 68 per cent of the
estimated pre-industrial level
(established but incomplete)
{2.2.5.2.1}. Forests and natural mosaics sufficiently
undamaged to be classed as “intact” (defined as being
larger than 500 km
2
 where satellites can detect no human
pressure) were reduced by 7 per cent (919, 000 km
2
)
between 2000 and 2013, shrinking in both developed and
developing countries {2.2.5.2.1}. Inland waters and
freshwater ecosystems show among the highest rates of
decline. Only 13 per cent of the wetland present in 1700
remained by 2000; recent losses have been even more
rapid (0.8 per cent per year from 1970 to 2008)
(established
but incomplete)
{2.2.7.9}.
Marine ecosystems, from coastal to deep sea,
now show the influence of human actions, with
coastal marine ecosystems showing both large
historical losses of extent and condition as well as
rapid ongoing declines (established
but incomplete)
{2.2.5.2.1, 2.2.7.15}
(Figure SPM.2).
Over 40 per cent of
ocean area was strongly affected by multiple drivers in 2008,
and 66 per cent was experiencing increasing cumulative
impacts in 2014. Only 3 per cent of the ocean was
described as free from human pressure in 2014
(established
but incomplete)
{2.2.5.2.1, 3.2.1}. Seagrass meadows
decreased in extent by over 10 per cent per decade from
1970 to 2000
(established but incomplete)
{2.2.5.2.1}. Live
coral cover on reefs has nearly halved in the past 150 years,
the decline dramatically accelerating over the past two or
three decades due to increased water temperature and
ocean acidification interacting with and further exacerbating
other drivers of loss
(well established)
{2.2.5.2.1}. These
coastal marine ecosystems are among the most productive
systems globally, and their loss and deterioration reduce
their ability to protect shorelines, and the people and
4
species that live there, from storms, as well as their ability to
provide sustainable livelihoods
(well established)
{2.2.5.2.1,
2.3.5.2}. Severe impacts to ocean ecosystems are
illustrated by 33 per cent of fish stocks being classified as
overexploited and greater than 55 per cent of ocean area
being subject to industrial fishing
(established but
incomplete)
{2.1.11.1, 2.2.5.2.4, 2.2.7.16}.
The global rate of species extinction is already at
least tens to hundreds of times higher than the
average rate over the past 10 million years and is
accelerating (established
but incomplete)
{2.2.5.2.4}
(Figure SPM.3).
Human actions have already driven at least
680 vertebrate species to extinction since 1500, including
the Pinta Giant Tortoise in the Galapagos in 2012, even
though successful conservation efforts have saved from
extinction at least 26 bird species and 6 ungulate species,
including the Arabian Oryx and Przewalski’s Horse {3.2.1}.
The threat of extinction is also accelerating: in the best-
studied taxonomic groups, most of the total extinction risk
to species is estimated to have arisen in the past 40 years
(established but incomplete)
{2.2.5.2.4}. The proportion of
species currently threatened with extinction according to the
International Union for the Conservation of Nature’s Red List
criteria averages around 25 per cent across the many
terrestrial, freshwater and marine vertebrate, invertebrate
and plant groups that have been studied in sufficient detail
to support a robust overall estimate
(established but
incomplete)
{2.2.5.2.4, 3.2}. More than 40 per cent of
amphibian species, almost a third of reef-forming corals,
sharks and shark relatives and over a third of marine
mammals are currently threatened {2.2.5.2.4, 3}. The
proportion of insect species threatened with extinction is a
key uncertainty, but available evidence supports a tentative
estimate of 10 per cent
(established but incomplete)
{2.2.5.2.4}. Those proportions suggest that, of an estimated
8 million animal and plant species (75 per cent of which are
insects), around 1 million are threatened with extinction
(established but incomplete)
{2.2.5.2.4}. A similar picture
also emerges from an entirely separate line of evidence.
Habitat loss and deterioration, largely caused by human
actions, have reduced global terrestrial habitat integrity by
30 per cent relative to an unimpacted baseline; combining
that with the longstanding relationship between habitat area
and species numbers suggests that around 9 per cent of
the world’s estimated 5.9 million terrestrial species – more
than 500,000 species – have insufficient habitat for
long-term survival, and are committed to extinction, many
within decades, unless their habitats are restored
(established but incomplete)
{2.2.5.2.4}. Population declines
often give warning that a species’ risk of extinction is
increasing. The Living Planet Index, which synthesises
trends in vertebrate populations, shows that species have
declined rapidly since 1970, with reductions of 40 per cent
for terrestrial species, 84 per cent for freshwater species
and 35 per cent for marine species
(established but
6
5
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THE GLOBAL ASSESSMENT REPORT ON BIODIVERSITY AND ECOSYSTEM SERVICES
DRIVERS
EXAMPLES OF DECLINES IN NATURE
ECOSYSTEM EXTENT AND CONDITION
47%
Natural ecosystems have
declined by
47 per cent
on average, relative to their
earliest estimated states.
SPECIES EXTINCTION RISK
Approximately
25 per cent of species are
already threatened with extinction
in
most animal and plant groups studied.
ECOLOGICAL COMMUNITIES
Biotic integrity—the abundance of naturally-
present species—has
declined by 23 per
cent
on average in terrestrial communities.*
BIOMASS AND SPECIES ABUNDANCE
The global biomass of wild mammals has
fallen by 82 per cent.*
Indicators of
vertebrate abundance have declined
rapidly since 1970
NATURE FOR INDIGENOUS PEOPLES
AND LOCAL COMMUNITIES
72 per cent of indicators developed by
indigenous peoples and local communities
show
ongoing deterioration
of elements
of nature important to them
*
Since prehistory
25
INDIRECT DRIVERS
DIRECT DRIVERS
Demographic
and
sociocultural
Terrestrial
Economic
and
technological
Freshwater
Institutions
and
governance
Conflicts
and
epidemics
0
20
40
60
80
100%
Va l u e s a n d b e h a v i o u r s
25%
23%
Marine
82%
Land/sea use change
Direct exploitation
Climate change
Pollution
Invasive alien species
Others
72%
Figure SPM
2
The direct drivers (land-/sea-use change; direct exploitation of organisms; climate change; pollution; and invasive alien species)
6
result
from an array of underlying societal causes
7
. These causes can be demographic (e.g., human population dynamics), sociocultural
(e.g., consumption patterns), economic (e.g., trade), technological, or relating to institutions, governance, conflicts and epidemics.
They are called indirect drivers
8
and are underpinned by societal values and behaviours. The colour bands represent the relative
global impact of direct drivers, from top to bottom, on terrestrial, freshwater and marine nature, as estimated from a global systematic
review of studies published since 2005. Land- and sea-use change and direct exploitation account for more than 50 per cent of the
global impact on land, in fresh water and in the sea, but each driver is dominant in certain contexts {2.2.6}. The circles illustrate the
magnitude of the negative human impacts on a diverse selection of aspects of nature over a range of different time scales based on a
global synthesis of indicators {2.2.5, 2.2.7}.
incomplete)
{2.2.5.2.4}. Local declines of insect populations
such as wild bees and butterflies have often been reported,
and insect abundance has declined very rapidly in some
places even without large-scale land-use change, but the
global extent of such declines is not known
(established but
incomplete)
{2.2.5.2.4}. On land, wild species that are
endemic (narrowly distributed) have typically seen larger-
than-average changes to their habitats and shown faster-
than-average declines
(established but incomplete)
{2.2.5.2.3, 2.2.5.2.4}.
6 7 8
The number of local varieties and breeds of
domesticated plants and animals and their wild
relatives has been reduced sharply as a result of land
6. The classification of direct drivers used throughout this assessment is in
{2.1.12 - 2.1.17}.
7. The interactions among indirect and direct drivers are addressed in {2.1.11,
2.1.18}.
8. The classification of indirect drivers used throughout this assessment is in
{2.1.3 - 2.1.10}.
7
use change, knowledge loss, market preferences and
large-scale trade (well established) {2.2.5.2.6,
2.2.5.3.1}.
Domestic varieties of plants and animals are the
result of natural and human-managed selection,
sometimes over centuries or millennia, and tend to show a
high degree of adaptation (genotypic and phenotypic) to
local conditions
(well established)
{2.2.4.4}. As a result, the
pool of genetic variation which underpins food security has
declined
(well established)
{2.2.5.2.6}. Ten per cent of
domesticated breeds of mammals were recorded as
extinct, as well as some 3.5 per cent of domesticated
breeds of birds
(well established)
{2.2.5.2.6}. Many
hotspots of agrobiodiversity and crop wild relatives are also
under threat or not formally protected. The conservation
status of wild relatives of domesticated livestock has also
deteriorated. These wild relatives represent critical
reservoirs of genes and traits that may provide resilience
against future climate change, pests and pathogens and
may improve current heavily depleted gene pools of many
crops and domestic animals {2.2.3.4.3}. The lands of
SUMMARY FOR POLICYMAKERS
Examples of global declines in nature, emphasizing declines in biodiversity, that
have been and are being caused by direct and indirect drivers of change.
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THE GLOBAL ASSESSMENT REPORT ON BIODIVERSITY AND ECOSYSTEM SERVICES
A
Current global extinction risk in different species groups
Estimate of percentage threatened
Bony fishes***
Gastropods***
Birds*
Dragonflies**
Ferns and relatives**
Monocots**
Reptiles**
Mammals*
Crustaceans***
Sharks and rays*
Corals (reef-forming)*
Conifers*
Dicots***
Amphibians*
Cycads*
Total number of extant
assessed species
2,390
633
10,966
1,520
972
1,026
1,500
5,593
2,872
IUCN Red List categories
Data Deficient
Non-threatened
Least Concern
Near Threatened
Threatened
Vulnerable
Greater extinction risk
1,091
845
607
1,781
6,576
307
Endangered
Critically Endangered
Extinct in the Wild
*
Comprehensive
**
Sampled
***
Selected
0
10
20
30
40
50
60
70
80
90
100
PERCENTAGE OF SPECIES IN EACH CATEGORY
B
26
Extinctions since 1500
2.5
C
Declines in species survival since 1980
(Red List Index)
1.0
Better
Cumulative % of species driven extinct
SUMMARY FOR POLICYMAKERS
Worse
Red list index of species survival
Cumulative % of species based on
on background rate of 0.1-2
extinctions per million species per year
Amphibians
0.9
Corals
Birds
Mammals
2.0
Mammals
1.5
Birds
0.8
Amphibians
0.7
1.0
Reptiles
Fishes
0.5
Better
0.6
Cycads
Worse
0.5
1980 1985
0
1500
1600
1700
1800
1900
2018
1990 1995
2000 2005 2010
2015
YEAR
YEAR
Figure SPM
3
A substantial proportion of assessed species are threatened with extinction and
overall trends are deteriorating, with extinction rates increasing sharply in the
past century.
A
Percentage of species threatened with extinction in taxonomic groups that have been assessed comprehensively, or through a
‘sampled’ approach, or for which selected subsets have been assessed, by the International Union for Conservation of Nature (IUCN)
Red List of Threatened Species. Groups are ordered according to the best estimate for the percentage of extant species considered
threatened (shown by the vertical blue lines), assuming that data deficient species are as threatened as non-data deficient species.
B
 Extinctions since 1500 for vertebrate groups. Rates for reptiles and fishes have not been assessed for all species.
C
Red List
Index of species survival for taxonomic groups that have been assessed for the IUCN Red List at least twice. A value of 1 is equivalent
to all species being categorized as Least Concern; a value of zero is equivalent to all species being classified as Extinct. Data for all
panels derive from www.iucnredlist.org (see Chapter 3 Figure 3.4 and Chapter 2 Figure 2.7).
indigenous peoples and local communities, including
farmers, pastoralists and herders, are often important
areas for
in situ
conservation of the remaining varieties and
breeds
(well established)
{2.2.5.3.1}. Available data
suggest that genetic diversity within wild species globally
has been declining by about 1 per cent per decade since
the mid-19
th
century; and genetic diversity within wild
mammals and amphibians tends to be lower in areas
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THE GLOBAL ASSESSMENT REPORT ON BIODIVERSITY AND ECOSYSTEM SERVICES
where human influence is greater
(established but
incomplete)
{2.2.5.2.6}.
Human-driven changes in species diversity
within local ecological communities vary widely,
depending on the net balance between species
loss and the influx of alien species, disturbance-
tolerant species, other human-adapted species or
climate migrant species (well
established)
{2.2.5.2.3}.
Even though human-dominated landscapes are sometimes
species-rich, their species composition is markedly altered
from that in natural landscapes
(well established)
{2.2.5.2.3,
2.2.7.10, 2.2.7.11}. As a result of human-caused changes
in community composition, naturally occurring species in
local terrestrial ecosystems worldwide are estimated to
have lost at least 20 per cent of their original abundance on
average, with hotspots of endemic species tending to have
lost even more
(established but incomplete)
{2.2.5.2.3}. The
traits of species influence whether they persist or even
thrive in human-modified ecosystems
(well established)
{2.2.3.6, 2.2.5.2.5}. For example, species that are large,
grow slowly, are habitat specialists or are carnivores – such
as great apes, tropical hardwood trees, sharks and big cats
– are disappearing from many areas. Many other species,
including those with opposite characteristics, are becoming
more abundant locally and are spreading quickly around the
world; across a set of 21 countries with detailed records,
the numbers of invasive alien species per country have
risen by some 70 per cent since 1970 {2.2.5.2.3}. The
effects of invasive alien species are often particularly severe
for the native species and assemblages on islands and in
other settings with high proportions of endemic species
(well established)
{2.2.3.4.1, 2.2.5.2.3}. Invasive alien
species can have devastating effects on mainland
assemblages as well: for example, a single invasive
pathogen species,
Batrachochytrium dendrobatidis,
is a
threat to nearly 400 amphibian species worldwide and has
already caused a number of extinctions
(well established)
{2.2.5.2.3}. Many drivers add already widespread species
to ecological communities in many places; and many
drivers cause endemic species to decline in many places.
These two processes have contributed to the widespread
erosion of differences between ecological communities in
different places, a phenomenon known as biotic
homogenization or the “anthropogenic blender”
(well
established)
{2.2.5.2.3}. The consequences of all these
changes for ecosystem processes and hence nature’s
contributions to people can be very significant. For
example, the decline and disappearance of large herbivores
and predators has dramatically affected the structure, fire
regimes, seed dispersal, land surface albedo and nutrient
availability within many ecosystems
(well established)
{2.2.5.2.1}. However, the consequences of changes often
depend on details of the ecosystem, remain hard to predict
and are still understudied
(established but incomplete)
{2.2.5.2.3}.
8
Many organisms show ongoing biological
evolution so rapid that it is detectable within only a
few years or even more quickly – in response to
anthropogenic drivers
(well established)
{2.2.5.2.5,
2.2.5.2.6}. Management decisions that take those
evolutionary changes into account will be noticeably
more effective (established
but incomplete)
{Box 2.5}.
This human-driven contemporary evolution, which has long
been recognized in microbes, viruses, agricultural insect
pests and weeds
(well established),
is now being observed
in some species within all major taxonomic groups
(animals, plants, fungi and microorganisms). Such changes
are known to occur in response to human activities or
drivers, such as hunting, fishing, harvesting, climate
change, ocean acidification, soil and water pollution,
invasive species, pathogens, pesticides and urbanization
(established but incomplete)
{2.2.5.2.5}. However,
management strategies typically assume that evolutionary
changes occur only over much longer time periods and
thus ignore rapid evolution. These policy considerations
span many spheres in which management actions
designed to slow or speed evolution can dramatically
change outcomes, as the following examples indicate.
Insects, weeds and pathogens evolve resistance to
insecticides, herbicides and other control agents, yet
management strategies such as refuges, crop rotation, and
crop diversity can dramatically slow that undesirable
evolution
(well established)
{Box 2.5}. Commercial fish
populations have evolved to mature earlier under intensive
harvesting, which sometimes can be minimized by
mandating changes in fishing gear or fish size limits
(established but incomplete)
{2.2.5.2.5}. Climate change
favours the evolution of seasonally earlier reproduction in
many organisms, which can in principle be facilitated
through the introduction of individuals from populations
already adapted to such conditions
(established but
incomplete)
{2.2.5.2.5}. Mosquitoes rapidly evolve
resistance to efforts to control them, but evolutionarily
informed management actions can dramatically slow that
undesirable evolution
(established but incomplete)
{2.2.5.2.5}. Contemporary evolution is thus relevant to
many policy concerns. Understanding and working with
contemporary evolution can address important concerns
surrounding pollination and dispersal, coral persistence in
the face of ocean acidification, water quality, pest
regulation, food production and options for the future
(established but incomplete).
The specific actions taken will
typically be case-specific and therefore will require careful
assessment of evolutionary potential and consequences. In
many cases, the best strategy could be to simply maintain
the ability of natural populations to respond evolutionarily
on their own – rather than through direct human
manipulation of evolution.
9
27
SUMMARY FOR POLICYMAKERS
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THE GLOBAL ASSESSMENT REPORT ON BIODIVERSITY AND ECOSYSTEM SERVICES
B. Direct and indirect drivers of change have accelerated
during the past 50 years.
Today, humans extract more from the Earth and
produce more waste than ever before
(well
established).
Globally, land-use change is the direct
driver with the largest relative impact on terrestrial
and freshwater ecosystems, while direct exploitation
of fish and seafood has the largest relative impact in
the oceans (well
established)
(Figure SPM.2)
{2.2.6.2}.
Climate change, pollution and invasive alien species
have had a lower relative impact to date but are
accelerating (established
but incomplete)
{2.2.6.2, 3.2,
4.2}.
Although the pace of agricultural expansion into intact
ecosystems {2.1.13} has varied from country to country,
losses of intact ecosystems have occurred primarily in the
tropics, home to the highest levels of biodiversity on the
planet (for example, 100 million hectares of tropical forest
from 1980 to 2000), due to cattle ranching in Latin America
(~42 million ha) and plantations in South-East Asia
(~7.5 million hectares, 80 per cent in oil palm) among others
{2.1.13}, noting that plantations can also increase total
forest area. Within land-use change, urban areas have more
than doubled since 1992. In terms of direct exploitation,
approximately 60 billion tons
9
of renewable and non-
renewable resources {2.1.2} are being extracted each year.
That total has nearly doubled since 1980, as population has
grown considerably while the average per capita
consumption of materials (e.g., plants, animals, fossil fuels,
ores, construction material) has risen by 15 per cent since
1980
(established but incomplete)
{2.1.6, 2.1.11, 2.1.14}.
This activity has generated unprecedented impacts: since
1980, greenhouse gas emissions have doubled {2.1.11,
2.1.12}, raising average global temperatures by at least
0.7 °C {2.1.12}, while plastic pollution in oceans has
increased tenfold {2.1.15}. Over 80 per cent of global
wastewater is being discharged back into the environment
without treatment, while 300–400 million tons of heavy
metals, solvents, toxic sludge and other wastes from
industrial facilities are dumped into the world’s waters each
year {2.1.15}. Excessive or inappropriate application of
fertilizer can lead to run-off from fields and enter freshwater
and coastal ecosystems, producing more than 400 hypoxic
zones that affected a total area of more than 245,000 km
2
as early as 2008 {2.1.15}. In some island countries, invasive
alien species have a significant impact on biodiversity, with
introduced species being a key driver of extinctions.
Land-use change is driven primarily by
agriculture, forestry and urbanization, all of which are
associated with air, water and soil pollution.
Over one
third of the world’s land surface and nearly three-quarters of
9. All references to “tons” are to metric tons.
10
28
SUMMARY FOR POLICYMAKERS
available freshwater resources are devoted to crop or
livestock production {2.1.11}. Crop production occurs on
some 12 per cent of total ice-free land. Grazing occurs on
about 25 per cent of total ice-free lands and approximately
70 per cent of drylands {2.1.11}. Approximately 25 per cent
of the globe’s greenhouse gas emissions come from land
clearing, crop production and fertilization, with animal-based
food contributing 75 per cent of that. Intensive agriculture
has increased food production at the cost of regulating and
non-material contributions from nature, though
environmentally beneficial practices are increasing. Small
landholdings (less than 2 hectares) contribute approximately
30 per cent of global crop production and 30 per cent of the
global food caloric supply, using around a quarter of
agricultural land and usually maintaining rich agrobiodiversity
{2.1.11}. Moving to logging, between 1990 and 2015,
clearing and wood harvest contributed to a total reduction
of 290 million hectares in native forest cover, while the area
of planted forests grew by 110 million hectares {2.1.11}.
Industrial roundwood harvest is falling within some
developed countries but rising on average in developing
countries {2.1.11}. Illegal timber harvests and related trade
supply 10–15 per cent of global timber, and up to 50 per
cent in certain areas, hurting revenues for state owners and
livelihoods for the rural poor. All mining on land has
increased dramatically and, while still using less than 1 per
cent of the Earth’s land, has had significant negative impacts
on biodiversity, emissions of highly toxic pollutants, water
quality and water distribution, and human health {2.1.11}.
Mined products contribute more than 60 per cent of the
GDP of 81 countries. There are approximately 17,000 large-
scale mining sites in 171 countries, with the legal sites
mostly managed by international corporations, but there is
also extensive illegal and small-scale mining that is harder to
trace, and both types of sites are often in locations relevant
for biodiversity {2.1.11}.
In marine systems, fishing has had the most
impact on biodiversity (target species, non-target
species and habitats) in the past 50 years alongside
other significant drivers
(well established)
{2.1.11,
2.2.6.2}
(Figure SPM.2).
Global fish catches have been
sustained by expanding fishing geographically and
penetrating into deeper waters
(well established)
{3.2.1}. An
increasing proportion of marine fish stocks are overfished
(33 per cent in 2015), including stocks of economically
important species, while 60 per cent are maximally
sustainably fished and only 7 per cent are underfished
(well
established)
{Box 3.1}. Industrial fishing, concentrated in a
few countries and corporations {2.1.11}, covers at least
55 per cent of the oceans, largely concentrated in the
12
11
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THE GLOBAL ASSESSMENT REPORT ON BIODIVERSITY AND ECOSYSTEM SERVICES
northeast Atlantic, the northwest Pacific and upwelling
regions off South America and West Africa
(established but
incomplete)
{2.1.11}. Small-scale fisheries account for more
than 90 per cent of commercial fishers (over 30 million
people), and nearly half of global fish catch
(established but
incomplete).
In 2011, illegal, unreported or unregulated
fishing represented up to one third of the world’s reported
catch
(established but incomplete)
{2.1.11}. Since 1992,
regional fisheries bodies have been adopting sustainable
development principles. For instance, more than
170 members of the Food and Agriculture Organization of
the United Nations (FAO) adopted the Code of Conduct for
Responsible Fisheries in 1995, and as of 1 April 2018,
52 countries and one member organization had become
Parties to the Agreement on Port State Measures to Prevent,
Deter and Eliminate Illegal, Unreported and Unregulated
Fishing, in order to address the depletion of marine fisheries
(established but incomplete)
{2.1.11}, reduce by-catch {3,
box 3.3} and lower damage to seabeds and reefs. In
addition, the set of established marine protected areas has
been growing
(well established)
{2.1.11.1, 2.2.7.16}.
The direct driver with the second highest relative
impact on the oceans is the many changes in the uses
of the sea and coastal land (well
established)
(Figure
SPM.2)
{2.2.6.2}.
Coastal habitats, including estuaries and
deltas critical for marine biota and regional economies, have
been severely affected by sea-use changes (coastal
development, offshore aquaculture, mariculture and bottom
trawling) and land-use changes (onshore land clearance and
urban sprawl along coastlines, plus pollution of rivers).
Pollution from land sources is already a major driver of
negative environmental change. Ocean mining, while
relatively small, has expanded since 1981 to ~ 6,500 offshore
oil and gas installations worldwide in 53 countries (60 per
cent in the Gulf of Mexico by 2003) and likely will expand into
the Arctic and Antarctic regions as the ice melts {2.1.11}.
Ocean acidification from increased carbon dioxide levels
largely affects shallow waters, with the ecosystems of the
subarctic Pacific and western Arctic Ocean particularly
affected. Plastic microparticles and nanoparticles are
entering food webs in poorly understood ways {2.1.15.3}.
Coastal waters hold the highest levels of metals and
persistent organic pollutants from industrial discharge and
agricultural run-off, poisoning coastal fish harvests. Severe
effects from excess nutrient concentrations in certain
locations include damage to fish and seabed biota. The
dynamics of ocean and airborne transport of pollutants mean
that the harm from inputs of plastics, persistent organic
pollutants, heavy metals and ocean acidification is felt
worldwide, including with consequences for human health.
Climate change is already having an impact on
nature, from genes to ecosystems. It poses a growing
risk owing to the accelerated pace of change and
interactions with other direct drivers (well
established)
13
Unsustainable use of the Earth’s resources is
underpinned by a set of demographic and economic
indirect drivers that have increased, and that
furthermore interact in complex ways, including
through trade (well
established)
{2.1.6}.
The global
human population has increased from 3.7 to 7.6 billion since
1970 unevenly across countries and regions, which has
strong implications for the degradation of nature. Per capita
consumption also has grown, and also is unequal, with wide
variations in lifestyles and access to resources across and
within regions, plus consequences for nature that are
distributed globally through trade. Total gross domestic
product is four times higher and is rising faster in developed
than in least developed countries. Approximately 821 million
people face food insecurity in Asia and Africa, while 40 per
cent of the global population lacks access to clean, safe
drinking water. Generally, environmentally-based health
burdens, such as air and water pollution, are more prevalent
in least developed countries {2.1.2, 2.1.15}.
Due to expansions of infrastructure, extensive
areas of the planet are being opened up to new
threats (well
established)
{2.1.11}.
Globally, paved road
lengths are projected to increase by 25 million kilometres by
15
14
16
SUMMARY FOR POLICYMAKERS
{2.1.12, 2.1.18, 2.2.6.2}.
Shifts in species distribution,
changes in phenology, altered population dynamics and
changes in the composition of species assemblage or the
structure and function of ecosystems, are evident {2.2.5.3.2,
2.2.5.2.3, 2.2.6.2} and accelerating in marine, terrestrial and
freshwater systems
(well established)
{2.2.3.2}. Almost half
(47 per cent) of threatened terrestrial mammals, excluding
bats, and one quarter (23 per cent) of threatened birds may
have already been negatively affected by climate change in
at least part of their distribution (birds in North America and
Europe suggest effects of climate change in their population
trends since the 1980s)
(established but incomplete)
{2.2.6.2}. Ecosystems such as tundra and taiga and regions
such as Greenland, previously little affected by people
directly, are increasingly experiencing the impacts of climate
change
(well established)
{2.2.7.5}. Large reductions and
local extinctions of populations are widespread
(well
established)
{2.2.6.2}. This indicates that many species are
unable to cope locally with the rapid pace of climate
change, through either evolutionary or behavioural
processes, and that their continued existence will also
depend on the extent to which they are able to disperse, to
track suitable climatic conditions, and to preserve their
capacity to evolve
(well established)
{2.2.5.2.5}. Many of
these changes can have significant impacts on a number of
important economic sectors, and cascading effects for other
components of biodiversity. Island nations, in particular
those in East Asia and the Pacific region, will be most
vulnerable to sea-level rise (1m) as projected by all climate
change scenarios, {2.1.1.7.1} which will displace close to
40 million people {2.1.1.7.1, 2.2.7.1.8}.
29
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THE GLOBAL ASSESSMENT REPORT ON BIODIVERSITY AND ECOSYSTEM SERVICES
2050, with nine tenths of all road construction occurring
within least developed and developing countries. The
number of dams has increased rapidly in the past 50 years.
Worldwide, there are now about 50,000 large dams (higher
than 15 metres) and approximately 17 million reservoirs
(larger than 0.01 hectares or 100m
2
) {2.1.11}. The
expansions of roads, cities, hydroelectric dams and oil and
gas pipelines can come with high environmental and social
costs, including deforestation, habitat fragmentation,
biodiversity loss, land grabbing, population displacement
and social disruption, including for indigenous peoples and
local communities
(established but incomplete).
Yet
infrastructure can generate positive economic effects and
even environmental gains, based on efficiency, innovation,
migration, and urbanization, depending on where and how
investment is implemented and governed
(well established)
{2.1.11}. Understanding this variation in impacts is critical.
Long-distance transportation of goods and
people, including for tourism, have grown dramatically
in the past 20 years, with negative consequences for
nature overall (established
but incomplete).
The rise in
airborne and seaborne transportation of both goods and
people, including a threefold increase in travel from
developed and developing countries in particular, has
increased pollution and significantly increased the presence
of invasive alien species
(well established)
{2.1.15}. Between
2009 and 2013, the carbon footprint from tourism rose
40 per cent to 4.5 gigatons of carbon dioxide, and overall,
8 per cent of total greenhouse gas emissions are from
tourism-related transportation and food consumption
{2.1.11, 2.1.15}. The demand for nature-based tourism or
ecotourism has also risen, with mixed effects on nature and
local communities, including some potential for contributions
to local conservation, in particular when carried out at a
smaller scale {2.1.11}.
Distant areas of the world are increasingly
connected, as consumption, production, and
governance decisions increasingly influence
materials, waste, energy, and information flows in
other countries, generating aggregate economic gains
while shifting economic and environmental costs,
which can link to conflicts (established
but
incomplete)
(Figure SPM.4).
As per capita consumption
has risen, developed countries and rapidly growing
developing countries {2.1.2, 2.1.6}, while at times
supporting efficient production for exports, often reduce
water consumption and forest degradation nationally {2.1.6,
2.1.11} by importing crops and other resources, mainly from
developing countries {2.1.6}. The latter, as a result, see
declines in nature and its contributions to people (habitat,
climate, air and water quality) different from the exported
food, fibre and timber products
(Figures SPM.1 and 5).
Reduced, declining and unequal access to nature’s
contributions to people may, in a complex interaction with
17
other factors, be a source of conflict within and among
countries
(established but incomplete).
Least developed
countries, often rich in and more dependent upon natural
resources, have suffered the greatest land degradation,
have also experienced more conflict and lower economic
growth, and have contributed to environmental outmigration
by several million people {2.1.2, 2.1.4}. When indigenous
peoples or local communities are expelled from or
threatened on their lands, including by mining or industrial
logging for export, this too can spark conflict – often
between actors with different levels of power, as today a few
actors can control large shares of any market or capital
asset rivalling those of most countries {2.1.6}, while funds
channelled through tax havens support most vessels
implicated in illegal, unreported and unregulated fishing.
More than 2,500 conflicts over fossil fuels, water, food and
land are currently occurring across the planet, and at least
1,000 environmental activists and journalists were killed
between 2002 and 2013 {2.1.11, 2.1.18}.
Governance has at many levels moved slowly to
further and better incorporate into policies and
incentives the values of nature’s contributions to
people. However, around the globe, subsidies with
harmful effects on nature have persisted (well
established)
{2.1, 3, 5, 6.4}.
The incorporation by society of
the value of nature’s contributions to people will entail shifts
in governance even within private supply chains, for instance
when civil society certifies and helps to reward desired
practices, or when States block access to markets because
of undesirable practices {2.1.7}. Successful local governance
supported by recognition of local rights has often
incorporated knowledge of how nature contributes to human
wellbeing to motivate such behaviours {2.1.8}. National
agencies have also promoted land management strategies
that are more sustainable and introduced regulations, among
other policy measures {2.1.9.2}, and have coordinated with
other nations on global agreements to maintain nature’s
contributions to people {2.1.10}. Economic instruments that
may be harmful to nature include subsidies, financial
transfers, subsidized credit, tax abatements, and prices for
commodities and industrial goods that hide environmental
and social costs. Such instruments favour unsustainable
production and, as a consequence, can promote
deforestation, overfishing, urban sprawl, and wasteful uses of
water. In 2015, agricultural support potentially harmful to
nature amounted to $100 billion in countries belonging to the
Organization for Economic Cooperation and Development,
although some subsidy reforms to reduce unsustainable
pesticide uses and adjust several other consequential
development practices have been introduced {2.1.9.1,
6.4.5}. Fossil fuel subsidies valued at $345 billion result in
global costs of $5 trillion when including the reduction of
nature’s contributions (coal accounts for about half of these
costs, petroleum for about one third and natural gas for
about one tenth {2.1.9.1.2}). In fisheries, subsidies to
19
30
SUMMARY FOR POLICYMAKERS
18
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THE GLOBAL ASSESSMENT REPORT ON BIODIVERSITY AND ECOSYSTEM SERVICES
A
Trillion US$ (2010 constant $)
Gross domestic product (GDP)
80
60
B
Domestic material consumption
16
12
C
Extraction of living biomass
(domestic consumption and exports)
20
Total million tons / year
F
Mean Kg / ha of arable land
Average tons / capita
15
10
5
0
1970 1980 1990 2000 2010 2020
40
20
8
4
0
1970 1980 1990 2000 2010 2020
0
1970 1980 1990 2000 2010 2020
D
Protection of Key Biodiversity
Areas (KBAs)
80
60
40
20
0
1970 1980 1990 2000 2010 2020
E
Average mean annual exposure
to fine particles (μg / m
3
)*
Air pollution
Fertilizer use
800
Average % of KBAs
covered by protected areas
40
600
400
200
31
SUMMARY FOR POLICYMAKERS
0
1970 1980 1990 2000 2010 2020
30
20
0
1970 1980 1990 2000 2010 2020
*Fine
particles: < 2.5 micrograms
Developed
Figure SPM
4
Developing
Least developed
World
Development pathways since 1970 for selected key indicators of human-
environment interactions, which show a large increase in the scale of global
economic growth and its impacts on nature, with strong contrasts across
developed, developing, and least developed countries.
Countries are classified according to the United Nations World Economic Situation and Prospects (https://www.un.org/development/
desa/dpad/publication/world-economic-situation-and-prospects-2019/). Global gross domestic product has risen fourfold in real
terms, with the vast majority of growth occurring in developed and developing countries
A
. Extraction of living biomass (e.g., crops,
fish) to meet the demand for domestic consumption and for export is highest in developing countries and rising rapidly
B
. However,
material consumption per capita within each country (from imports and domestic production) is highest in developed countries. Overall
protection of Key Biodiversity Areas is rising, being highest within developed countries
D
. Air pollution is highest in least developed
countries
E
, while the challenges of non-point-source pollution from the use of fertilizers are highest in developing countries.
Data sources:
A
,
E
,
F
: www.data.worldbank.org;
B
,
C
: www.materialflows.net;
D
:
 www.keybiodiversityareas.org, www.
protectedplanet.net.
increase and maintain capacity, which in turn often lead to
the degradation of nature, constitute perhaps a majority of
the tens of US$ billions spent on supports {5.3.2.5}.
Much of the world’s terrestrial wild and
domesticated biodiversity lies in areas traditionally
managed, owned, used or occupied by indigenous
peoples and local communities (well
established)
(Figure SPM.5)
{2.2.4}. In spite of efforts at all levels,
although nature on indigenous lands is declining less
rapidly than elsewhere, biodiversity and the
knowledge associated with its management are still
20
deteriorating (established
but incomplete)
{2.2.4,
2.2.5.3}.
Despite a long history of resource use,
conservation conflicts related to colonial expansion and
land appropriation for parks and other uses {3.2}
(well
established),
indigenous peoples and local communities
have often managed their landscapes and seascapes in
ways that were adjusted to local conditions over
generations. These management methods often remain
compatible with, or actively support, biodiversity
conservation by “accompanying” natural processes with
anthropogenic assets
(established but incomplete)
{2.2.4,
2.2.5.3.1}
(Figure SPM.5).
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THE GLOBAL ASSESSMENT REPORT ON BIODIVERSITY AND ECOSYSTEM SERVICES
D O M E S T I C AT I O N
C R E AT I N G N E W E C O S Y S T E M S
a
Domesticating and
maintaining crops…
b
… and animal breeds
c
Creating cultural landscapes
with enhanced habitat
heterogeneity
d
Developing production
systems with a multitude of
domestic and wild species
PROTECTION
2) Formally designated
protected
areas
Approx. 35% of area 2)
Approx. 35%
of area 3)
1) Land areas
traditionally owned,
managed, used, or
occupied by
indigenous peoples
3) Remaining terrestrial
areas with very low
human intervention
(areas with <4
Footprint Index)
CONCEPTS
h
Preventing forest loss
S U S T A I N A B L E U S E , M A N A G E M E N T, A N D M O N I T O R I N G
32
SUMMARY FOR POLICYMAKERS
i
Alternative values and
worldviews
e
Habitat management
f
Wild species management
g
Restoration
Figure SPM
5
Contributions of indigenous peoples and local communities to the enhancement
and maintenance of wild and domesticated biodiversity and landscapes.
Indigenous and local knowledge systems are locally based, but regionally
manifested and thus globally relevant.
A wide diversity of practices actively and positively contributes to wild and domestic biodiversity through “accompanying” natural
processes with anthropogenic assets (knowledge, practices and technology). Indigenous peoples often manage the land and coastal
areas based on culturally specific world views, applying principles and indicators such as the health of the land, caring for the country
and reciprocal responsibility. As lifestyles, values and external pressures change with globalization, however, unsustainable practices
are becoming increasingly common in certain regions
10
. The image in the centre of the above figure shows the global overlap between
1) land areas traditionally owned, managed
11
, used, or occupied by indigenous peoples; 2) formally designated protected areas;
and 3) remaining terrestrial areas with very low human intervention (areas that score <4 on the Human Footprint Index
12
). Circles and
overlapping sections are proportional in area. Land areas traditionally owned, managed
11
, used, or occupied by indigenous peoples
overlap with approximately 35 per cent of the area that is formally protected, and approximately 35 per cent of all remaining terrestrial
areas with very low human intervention. The topics and pictures in the figure aim to illustrate, not represent, the types and diversity of
the following contributions of indigenous peoples and local communities to biodiversity:
a
domestication and maintenance of locally
adapted crop and fruit varieties (potatoes, Peru) and
b
animal breeds (rider and sheep, Kyrgyzstan) {2.2.4.4};
c
creation of species-
rich habitats and high ecosystem diversity in cultural landscapes (hay meadows, Central Europe) {2.2.4.1-2};
d
identification of useful
plants and their cultivation in high-diversity ecosystems (multi-species forest garden, Indonesia) {2.2.4.3};
e
and
f
management
and monitoring of wild species, habitats and landscapes for wildlife and for increased resilience (
e
- Australia,
f
- Alaska) {2.2.4.5-
6};
g
restoration of degraded lands (Niger) {3.2.4};
h
prevention of deforestation in recognized indigenous territories (Amazon basin,
Brazil) {2.2.4.7};
i
offering alternative concepts of relations between humanity and nature (Northern Australia).
10 11
12
10. In Stephen Garnett
et al.,
“A spatial overview of the global importance of
Indigenous lands for conservation”,
Nature Sustainability,
Vol. 1 (July 2018)
pp. 369–374.
11. These data sources define land management here as the process of
determining the use, development and care of land resources in a manner
that fulfils material and non-material cultural needs, including livelihood
activities such as hunting, fishing, gathering, resource harvesting,
pastoralism, and small-scale agriculture and horticulture.
12. Venter, O.
et al.
Global terrestrial Human Footprint maps for 1993 and 2009.
Sci. Data 3, sdata201667 (2016).
Photos credits: (a) ©FAO/Sandro Cespoli, (b) ©FAO/Vyacheslav Oseledko, (c) ©Daniel Babai, (d) G. Michon et al. https://www.ecologyandsociety.org/vol12/iss2/art1/,
(e) ©Rebecca Bliege Bird, (f) Vadeve, (g) ©Rodrigo Ordonez/GLF, (h) Google Maps (i) ©Daniel Rockman Jupurrurla.
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THE GLOBAL ASSESSMENT REPORT ON BIODIVERSITY AND ECOSYSTEM SERVICES
At least one quarter of the global land area is traditionally
managed
13
, owned, used or occupied by indigenous
peoples. These areas include approximately 35 per cent
of the area that is formally protected, and approximately
35 per cent of all remaining terrestrial areas with very
low human intervention
(established but incomplete)
{2.2.5.3.1}. Community-based conservation institutions
and local governance regimes have often been effective,
at times even more effective than formally established
protected areas, in preventing habitat loss
(established but
incomplete).
Several studies have highlighted contributions
by indigenous peoples and local communities in limiting
deforestation, as well as initiatives showing synergies
between these different mechanisms
(well established)
{6.3.2, 2.2.5.3}. In many regions, however, the lands of
13. These data sources define land management here as the process of
determining the use, development and care of land resources in a manner
that fulfils material and non-material cultural needs, including livelihood
activities such as hunting, fishing, gathering, resource harvesting,
pastoralism, and small-scale agriculture and horticulture.
indigenous peoples are becoming islands of biological
and cultural diversity surrounded by areas in which nature
has further deteriorated
(established but incomplete)
{2.2.5.3}. Among the local indicators developed and used
by indigenous peoples and local communities, 72 per cent
show negative trends in nature that underpinned local
livelihoods
(established but incomplete)
{2.2.5.3.2}. Major
trends include declining availability of resources – due
in part to legal and illegal territory reductions, despite
expanding indigenous populations – as well as declining
health and populations of culturally important species;
new pests and invasive alien species as climate changes;
losses in both natural forest habitats and grazing lands;
and declining productivity in remnant ecosystems. A more
detailed global synthesis of trends in nature observed by
indigenous peoples and local communities is hindered by
the lack of institutions that gather data for these locations
and then synthesize them within regional and global
summaries {2.2.2}.
14
There has been good progress towards the
components of 4 of the 20 Aichi Biodiversity Targets
under the Strategic Plan for Biodiversity 2011–2020.
Moderate progress has been achieved towards some
components of 7 more targets, but for 6 others, poor
progress has been made towards all components.
There is insufficient information to assess progress
towards some or all components of the remaining
3 targets (established
but incomplete)
{3.2}. Overall,
the state of nature continues to decline (12 of 16
indicators show significantly worsening trends) (well
established)
{3.2}
(Figure SPM.6).
14
By 2015, greater progress had been made in implementing
policy responses and actions to conserve biodiversity for
drivers with an impact on coral reefs and other ecosystems
vulnerable to climate change
(established but incomplete)
{3.2}.
Anthropogenic drivers of biodiversity loss, including
habitat loss as a result of land-use and sea use change
(addressed by Aichi Target 5), unsustainable agriculture,
aquaculture and forestry (Aichi Target 7), unsustainable
fishing (Aichi Target 6), pollution (Aichi Target 8), and invasive
alien species (Aichi Target 9) are increasing globally, despite
14. A fundamental, system-wide reorganization across technological, economic
and social factors, including paradigms, goals and values.
21
national efforts to meet the Aichi Targets
(established but
incomplete)
{3.2}.
Conservation actions, including protected
areas, efforts to manage unsustainable use and
address the illegal capture and trade of species, and
the translocation and eradication of invasive species,
have been successful in preventing the extinction of
some species (established
but incomplete).
For
example, conservation investment during the period
between 1996 and 2008 reduced the extinction risk for
mammals and birds in 109 countries by a median value of
29 per cent per country, while the rate of decrease in
extinction risk for birds, mammals and amphibians would
have been at least 20 per cent higher without conservation
action in recent decades. Similarly, it is likely that at least
6 species of ungulate (e.g., the Arabian Oryx and
Przewalski’s Horse) would now be extinct or surviving only
in captivity without conservation measures. At least 107
highly threatened birds, mammals and reptiles (e.g., the
Island Fox and the Seychelles Magpie-Robin) are estimated
to have benefited from invasive mammal eradication on
islands {3.2.2}. Although still few and spatially localized,
such cases show that with prompt and appropriate action, it
is possible to reduce human-induced extinction rates
22
SUMMARY FOR POLICYMAKERS
C. Goals for conserving and sustainably using nature
and achieving sustainability cannot be met by current
trajectories, and goals for 2030 and beyond may only
be achieved through transformative changes across
economic, social, political and technological factors.
33
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THE GLOBAL ASSESSMENT REPORT ON BIODIVERSITY AND ECOSYSTEM SERVICES
Goal
A. Address the underlying drivers
B. Reduce direct pressures
Target
Target element (abbreviated)
1.1 Awareness of biodiversity
1.2 Awareness of steps to conserve
2.1
Biodiversity integrated into poverty reduction 
2.2 Biodiversity integrated into planning
2.3 Biodiversity integrated into accounting
2.4 Biodiversity integrated into reporting
3.1 Harmful subsidies eliminated and reformed
3.2 Positive incentives developed and implemented
4.1 Sustainable production and consumption
4.2 Use within safe ecological limits
5.1 Habitat loss at least halved
5.2 Degradation and fragmentation reduced
6.1 Fish stocks harvested sustainably
6.2 Recovery plans for depleted species
6.3 Fisheries have no adverse impact
7.1 Agriculture is sustainable
7.2 Aquaculture is sustainable
7.3 Forestry is sustainable
8.1 Pollution not detrimental
8.2 Excess nutrients not detrimental
9.1 Invasive alien species prioritized
9.2 Invasive alien pathways prioritized
9.3 Invasive species controlled or eradicated
9.4 Invasive introduction pathways managed
10.1 Pressures on coral reefs minimized
10.2 Pressures on vulnerable ecosystems minimized
11.1 10 per cent of marine areas conserved
11.2 17 per cent of terrestrial areas conserved
Progress towards the Aichi Targets
Poor
Moderate
Good
Unknown
34
SUMMARY FOR POLICYMAKERS
Unknown
C. Improve biodiversity status
D. Enhance
benefits to all
E. Enhance implementation
11.3 Areas of importance conserved
11.4 Protected areas, ecologically representative
11.5 Protected areas, effectively and equitably managed
11.6 Protected areas, well-connected and integrated
12.1 Extinctions prevented
12.2 Conservation status of threatened species improved
13.1 Genetic diversity of cultivated plants maintained
13.2 Genetic diversity of farmed animals maintained
13.3 Genetic diversity of wild relatives maintained
13.4 Genetic diversity of valuable species maintained
13.5 Genetic erosion minimized
14.1 Ecosystems providing services restored and safeguarded
14.2 Taking account of women, IPLCs, and other groups
15.1 Ecosystem resilience enhanced
15.2 15 per cent of degraded ecosystems restored
16.1 Nagoya Protocol in force
16.2 Nagoya Protocol operational
17.1 NBSAPs developed and updated
17.2 NBSAPs adopted as policy instruments
17.3 NBSAPs implemented
18.1 ILK and customary use respected
18.2 ILK and customary use integrated
18.3 IPLCs participate effectively
19.1 Biodiversity science improved and shared
19.2 Biodiversity science applied
20.1 Financial resources for Strategic Plan
a
increased
Unknown
Unknown
Unknown
Unknown
Unknown
Unknown
Unknown
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THE GLOBAL ASSESSMENT REPORT ON BIODIVERSITY AND ECOSYSTEM SERVICES
Abbreviations:
ILK: indigenous and local knowledge; IPLCs: indigenous peoples and local communities;
NBSAPs: national biodiversity strategies and action plans.
a
Strategic Plan for Biodiversity 2011–2020.
Figure SPM
6
Summary of progress towards the Aichi Targets.
Scores are based on a quantitative analysis of indicators, a systematic review of the literature, the fifth National Reports to the
Convention on Biological Diversity and the information available on countries’ stated intentions to implement additional actions by
2020. Progress towards target elements is scored as “Good” (substantial positive trends at a global scale relating to most aspects
of the element); “Moderate” (the overall global trend is positive, but insubstantial or insufficient, or there may be substantial positive
trends for some aspects of the element, but little or no progress for others; or the trends are positive in some geographic regions, but
not in others); “Poor” (little or no progress towards the element or movement away from it; or, despite local, national or case-specific
successes and positive trends for some aspects, the overall global trend shows little or negative progress); or “Unknown” (insufficient
information to score progress).
(established but incomplete)
{2.2.5.2.4, 4}. There are,
however, few other counterfactual studies assessing how
trends in the state of nature or pressures upon nature would
have been different in the absence of conservation efforts
(well established)
{3.2}.
Biodiversity and ecosystem functions and
services directly underpin the achievement of several
of the Sustainable Development Goals, including
those on water and sanitation, climate action, life
below water and life on land (Sustainable
Development Goals 6, 13, 14 and 15),
(well
established)
{3.3.2.1}. Nature also plays an important
and complex role in the achievement of the
Sustainable Development Goals related to poverty,
hunger, health and well-being and sustainable cities
(Sustainable Development Goals 1, 2, 3 and 11)
(established but incomplete)
{3.3.2.2}
(Figure SPM.7).
Several examples illustrate the interdependencies between
nature and the Sustainable Development Goals. For
example, nature and its contributions may play an important
role in reducing vulnerability to climate-related extreme
events and other economic, social and environmental
shocks and disasters, although anthropogenic assets are
also involved
(established but incomplete).
Nature’s
underpinning of specific health targets varies across regions
and ecosystems, is influenced by anthropogenic assets and
remains understudied. The relationship can be positive or
negative, as in the case of certain aspects of biodiversity
and infectious diseases (see paragraph 2 of the present
document). Nature directly underpins the livelihoods of
indigenous peoples and local communities and the rural and
urban poor, largely through direct consumption or through
the income generated by trade in material contributions
such as food (see paragraphs 2 and 36 of the present
document) and energy
(well established).
Such contributions
are generally underrepresented in poverty analyses
(established but incomplete).
Nature and its contributions
are also relevant to the Goals for education, gender equality,
reducing inequalities and promoting peace, justice and
strong institutions (Sustainable Development Goals 4, 5, 10
and 16), but the current focus and wording of the related
targets obscures or omits their relationship to nature
(established but incomplete).
To achieve the Sustainable Development Goals
and the 2050 Vision for Biodiversity, future targets are
likely to be more effective if they take into account the
impacts of climate change
(well established)
{3.2, 3.3}.
For example, climate change is projected to greatly increase
the number of species under threat, with fewer species
expanding their ranges or experiencing more suitable
climatic conditions than the number of species experiencing
range contraction or less suitable conditions
(established
but incomplete)
{4.2, 3.2}. The impact of climate change on
the effectiveness of protected areas calls for a re-evaluation
of conservation objectives; meanwhile, there are currently
few protected areas whose objectives and management
take climate change into account
(established but
incomplete).
The Sustainable Development Goals for
poverty, health, water and food security, and sustainability
targets are closely linked through the impacts of multiple
direct drivers, including climate change, on biodiversity and
ecosystem functions and services, nature and nature’s
contributions to people and good quality of life. In a
post-2020 global biodiversity framework, placing greater
emphasis on the interactions between the targets of the
Sustainable Development Goals {4.6, 3.7} may provide a
way forward for achieving multiple targets, as synergies (and
trade-offs) can be considered. Future targets are expected
to be more effective if they take into account the impacts of
climate change, including on biodiversity, and action to
mitigate and adapt to climate change {4.6, 3.7}.
24
23
35
SUMMARY FOR POLICYMAKERS
25
The adverse impacts of climate change on
biodiversity are projected to increase with increasing
warming, so limiting global warming to well below 2°C
would have multiple co-benefits for nature and nature’s
contributions to people and quality of life; however, it is
projected that some large-scale land-based mitigation
measures to achieve that objective will have
significant impacts on biodiversity
(established but
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THE GLOBAL ASSESSMENT REPORT ON BIODIVERSITY AND ECOSYSTEM SERVICES
Selected Sustainable
Development Goals
Selected targets (abbreviated)
Recent status and trends in
aspects of nature and nature’s
contributions to people that
Uncertain
support progress towards target * relationship
Poor/Declining
Partial support
support
1.1 Eradicate extreme poverty
No poverty
1.2 Halve the proportion of people in poverty
1.4 Ensure that all have equal rights to economic resources
1.5 Build the resilience of the poor
2.1 End hunger and ensure access to food all year round
2.3 Double productivity and incomes of small-scale food producers
Zero hunger
2.4 Ensure sustainable food production systems
2.5 Maintain genetic diversity of cultivated plants and farmed
animals
3.2 End preventable deaths of newborns and children
Good
health and
well-being
3.3 End AIDS, tuberculosis, malaria and neglected tropical diseases
3.4 Reduce premature mortality from non-communicable diseases
3.9 Reduce deaths and illnesses from pollution
6.3 Improve water quality
Clean
water and
sanitation
6.4 Increase water use and ensure sustainable withdrawals
6.5 Implement integrated water resource management
6.6 Protect and restore water-related ecosystems
11.3 Enhance inclusive and sustainable urbanization
Sustainable 11.4 Protect and safeguard cultural and natural heritage
11.5 Reduce deaths and the number of people affected by disasters
cities and
communities 11.6 Reduce the adverse environmental impact of cities
36
SUMMARY FOR POLICYMAKERS
11.7 Provide universal access to green and public spaces
13.1 Strengthen resilience to climate-related hazards
13.2 Integrate climate change into policies, strategies and planning
Climate
action
13.3 Improve education and capacity on mitigation and adaptation
13a Mobilize US$100 billion/year for mitigation by developing
countries
13b Raise capacity for climate change planning and management
14.1 Prevent and reduce marine pollution
14.2 Sustainably manage and protect marine and coastal
ecosystems
Life below
water
14.3 Minimize and address ocean acidi cation
14.4 Regulate harvesting and end over shing
14.5 Conserve at least 10 per cent of coastal and marine areas
14.6 Prohibit subsidies contributing to over shing
14.7 Increase economic bene ts from sustainable use of marine
resources
15.1 Ensure conservation of terrestrial and freshwater ecosystems
15.2 Sustainably manage and restore degraded forests and halt
deforestation
15.3 Combat deserti cation and restore degraded land
15.4 Conserve mountain ecosystems
15.5 Reduce degradation of natural habitats and prevent extinctions
Life on land 15.6 Promote fair sharing of bene ts from use of genetic resources
15.7 End poaching and trafficking
15.8 Prevent introduction and reduce impact of invasive alien species
15.9 Integrate biodiversity values into planning and poverty reduction
15a Increase nancial resources to conserve and sustainably use
biodiversity
15b Mobilize resources for sustainable forest management
Unknown
Unknown
Unknown
Unknown
Unknown
U
U
U
U
*
There were no targets that were scored as good/positive status and trends
Figure SPM
7
Summary of recent status and trends in aspects of nature and nature’s
contributions to people that support progress towards achieving selected targets
of the Sustainable Development Goals.
The targets selected are those where the current evidence and wording of the target make it possible to assess the consequences of
the trends in nature and nature’s contribution to people as they relate to the achievement of the target. Chapter 3, Section 3.3 provides
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THE GLOBAL ASSESSMENT REPORT ON BIODIVERSITY AND ECOSYSTEM SERVICES
an assessment of the evidence of the links between nature and the Sustainable Development Goals. The scores for the targets are
based on a systematic assessment of the literature and a quantitative analysis of the indicators, where possible. None of the targets
scored “Full support” (that is, having a good status or substantial positive trends on a global scale). Consequently, the score of “Full
support” was not included in the table. “Partial support” means that the overall global status and trends are positive, but still insubstantial
or insufficient; or there may be substantial positive trends for some relevant aspects, but negative trends for others; or the trends are
positive in some geographic regions, but negative in others. “Poor/Declining support” indicates poor status or substantial negative trends
at a global scale. “Uncertain relationship” means that the relationship between nature and/or nature’s contributions to people and the
achievement of the target is uncertain. “Unknown” indicates that there is insufficient information to score the status and trends.
27
The magnitude of the impacts on biodiversity and
ecosystem functions and services and the differences
between regions are smaller in scenarios that focus on
global or regional sustainability (well
established)
(Figure SPM.8).
Sustainability scenarios that explore
moderate and equitable consumption result in substantially
lower negative impacts on biodiversity and ecosystems due
to food, feed and timber production
(well established)
{4.1.3,
4.2.4.2, 4.3.2, 4.5.3}. The general patterns at the global level
– namely, declines in biodiversity and regulating contributions
versus increases in the production of food, bioenergy and
materials – are evident in nearly all subregions {4.2.2, 4.2.3,
4.2.4, 4.3.3}. For terrestrial systems, most studies indicate
that South America, Africa and parts of Asia will be much
more significantly affected than other regions, especially in
scenarios that are not based on sustainability objectives (see
Figure SPM.8
as an example). That is due in part to regional
climate change differences and in part to the fact that
scenarios generally foresee the largest land use conversions
to crops or bioenergy in those regions {4.1.5, 4.2.4.2}.
Regions such as North America and Europe are expected to
have low conversion to crops and continued reforestation
{4.1.5, 4.2.4.2}.
26
Biodiversity and nature’s regulating contributions
to people are projected to decline further in most
scenarios of global change over the coming decades,
while the supply and demand for nature’s material
contributions to people that have current market value
(food, feed, timber and bioenergy) are projected to
increase (well
established)
{4.2, 4.3}
(for example, see
Figure SPM.8).
These changes arise from continued human
population growth, increasing purchasing power, and
increasing per capita consumption. The projected effects of
climate change and land use change on terrestrial and
freshwater biodiversity are mostly negative, increase with the
degree of global warming and land use change, and have an
impact on marine biodiversity through increased
eutrophication and deoxygenation of coastal waters
(well
established)
{4.2.2.3.2, 4.2.3, 4.2.4}. For instance, a
synthesis of many studies estimates that the fraction of
species at risk of extinction due to climate change is 5 per
cent at 2°C warming, rising to 16 per cent at 4.3°C warming
{4.2.1.1}. Climate change and business-as-usual fishing
scenarios are expected to worsen the status of marine
SUMMARY FOR POLICYMAKERS
incomplete)
{4.2, 4.3, 4.4, 4.5}.
All climate model
trajectories show that limiting human-induced climate
change to well below 2°C requires immediate, rapid
reductions in greenhouse gas emissions or a reliance on
substantial carbon dioxide removal from the atmosphere.
However, the land areas required for bioenergy crops (with
or without carbon capture and storage), afforestation and
reforestation to achieve the targeted carbon uptake rates
are projected to be very large {4.2.4.3., 4.5.3}. The
biodiversity and environmental impact of large-scale
afforestation and reforestation depends to a large degree on
where these occur (prior vegetation cover, state of
degradation), and the tree species planted
(established but
incomplete).
Likewise, large bioenergy crop or afforested
areas are expected to compete with areas set aside for
conservation, including restoration, or agriculture
(established but incomplete).
Consequently, large-scale
land-based mitigation measures may jeopardize the
achievement of other Sustainable Development Goals that
depend on land resources
(well established)
{4.5.3}. In
contrast, the benefits of avoiding and reducing deforestation
and promoting restoration can be significant for biodiversity
(well established)
and are expected to have co-benefits for
local communities
(established but incomplete)
{4.2.4.3}.
biodiversity
(well established)
{4.2.2.2, 4.2.2.3.1}. Climate
change alone is projected to decrease ocean net primary
production by between 3 and 10 per cent, and fish biomass
by between 3 and 25 per cent (in low and high warming
scenarios, respectively) by the end of the century
(established
but incomplete)
{4.2.2.2.1}. Whether or not the current
removal of nearly 30 per cent of anthropogenic carbon
dioxide emissions by terrestrial ecosystems continues into the
future varies greatly from one scenario to the next and
depends heavily on how climate change, atmospheric carbon
dioxide and land-use change interact. Important regulating
contributions of nature, such as coastal and soil protection,
crop pollination and carbon storage, are projected to decline
(established but incomplete)
{4.2.4, 4.3.2.1}. In contrast,
substantial increases in food, feed, timber and bioenergy
production are predicted in most scenarios
(well established)
{4.2.4, 4.3.2.2}. Scenarios that include substantial shifts
towards sustainable management of resource exploitation
and land use, market reform, globally equitable and moderate
animal protein consumption, and reduction of food waste and
losses result in low loss or even recovery of biodiversity
(well
established)
{4.2.2.3.1, 4.2.4.2, 4.3.2.2, 4.5.3}.
37
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THE GLOBAL ASSESSMENT REPORT ON BIODIVERSITY AND ECOSYSTEM SERVICES
Scenarios
EUROPE AND CENTRAL ASIA
Central and
Eastern Europe
Central Asia
Western Europe
ASIA
Western Asia
South Asia
South-East Asia
North-East Asia
OCEANIA
Oceania
Global
sustainability
Regional
competition
Economic
optimism
Indicator
Species richness
Material NCP
Regulating NCP
NORTH AMERICA
CENTRAL AND
WESTERN EUROPE
EASTERN EUROPE
CENTRAL ASIA
38
SUMMARY FOR POLICYMAKERS
Change between
2015 and 2050
0
NORTH EAST ASIA
SOUTH ASIA
NORTH AFRICA
WESTERN ASIA
MESOAMERICA CARIBBEAN
WEST AFRICA
SOUTHEAST ASIA
EAST AFRICA
CENTRAL
AND
AFRICA
ADJACENT
SOUTH AMERICA
ISLANDS
SOUTHERN
AFRICA
AMERICAS
AFRICA
Caribbean
North Africa
West Africa
Central Africa Southern Africa
East Africa and
adjacent islands
OCEANIA
Scenarios
North America
Mesoamerica
South America
Global
sustainability
Regional
competition
Economic
optimism
Figure SPM
8
Projections of the impacts of land use and climate change on biodiversity and
nature’s material and regulating contributions to people between 2015 and 2050.
This figure illustrates three main messages: i) the impacts on biodiversity and on nature’s contributions to people (NCP) are the lowest
in the “global sustainability” scenario in nearly all sub-regions, ii) regional differences in impacts are high in the regional competition
and economic optimism scenario, and iii) material NCP increase the most in the regional competition and economic optimism
scenarios, but this comes at the expense of biodiversity and regulating NCP. Projected impacts are based on a subset of the Shared
Socioeconomic Pathway (SSP) scenarios and greenhouse gas emissions trajectories (RCP) developed in support of Intergovernmental
Panel on Climate Change assessments. This figure does not cover the scenarios that include transformative change that are
discussed in Chapter 5.
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THE GLOBAL ASSESSMENT REPORT ON BIODIVERSITY AND ECOSYSTEM SERVICES
• The
“Global sustainability”
scenario combines proactive environmental policy and sustainable production and consumption with
low greenhouse gas emissions (SSP1, RCP2.6; top rows in each panel);
• The
“Regional competition”
scenario combines strong trade and other barriers and a growing gap between rich and poor with
high emissions (SSP3, RCP6.0; middle rows); and
• The
“Economic optimism”
scenario combines rapid economic growth and low environmental regulation with very high
greenhouse emissions (SSP5, RCP8.5; bottom rows).
Multiple models were used with each of the scenarios to generate the first rigorous global-scale model comparison estimating the
impact on biodiversity (change in species richness across a wide range of terrestrial plant and animal species at regional scales;
orange bars), material NCP (food, feed, timber and bioenergy: purple bars) and regulating NCP (nitrogen retention, soil protection,
crop pollination, crop pest control and ecosystem carbon storage and sequestration: white bars). The bars represent the normalized
means of multiple models and the whiskers indicate the standard errors. The global means of percentage changes in individual
indicators can be found in Figure 4.2.14.
D. Nature can be conserved, restored and used sustainably
while simultaneously meeting other global societal
goals through urgent and concerted efforts fostering
transformative change.
The Sustainable Development Goals and the
2050 Vision for Biodiversity cannot be achieved
without transformative change, the conditions for
which can be put in place now (well
established)
{2, 3,
5, 6.2}
(Figure SPM.9).
Increasing awareness of
interconnectedness in the context of the environmental crisis
and new norms regarding interactions between humans and
nature would support that change
(well established)
{5.3,
5.4.3}. In the short term (before 2030), all decision makers
could contribute to sustainability transformations, including
through enhanced and improved implementation and
enforcement of effective existing policy instruments and
regulations, and the reform and removal of harmful existing
policies and subsidies
(well established).
Additional
29
measures are necessary to enable transformative change
over the long term (up to 2050) to address the indirect
drivers that are the root causes of the deterioration of nature
(well established),
including changes in social, economic
and technological structures within and across nations {6.2,
6.3, 6.4}
(SPM Table.1).
Sustainability transformations call for cross-
sectoral thinking and approaches
(Figure SPM.9).
Sectoral policies and measures can be effective in
particular contexts, but often fail to account for
indirect, distant and cumulative impacts, which can
have adverse effects, including the exacerbation of
inequalities (well
established).
Cross-sectoral
30
SUMMARY FOR POLICYMAKERS
Climate change impacts also play a major role in
regionally-differentiated projections of biodiversity
and ecosystem functioning in both marine and
terrestrial systems. Novel communities, where
species will co-occur in historically unknown
combinations, are expected to emerge (established
but incomplete)
{4.2.1.2, 4.2.4.1}
Substantial climate
change-driven shifts of terrestrial biome boundaries, in
particular in boreal, subpolar and polar regions and in (semi-)
arid environments, are projected for the coming decades; a
warmer, drier climate will reduce productivity in many places
(well established)
{4.2.4.1}. In contrast, rising atmospheric
carbon dioxide concentrations can be beneficial for net
primary productivity and can enhance woody vegetation
cover, especially in semi-arid regions
(established but
incomplete)
{4.2.4.1}. For marine systems, impacts are
expected to be geographically variable, with many fish
28
populations projected to move poleward due to ocean
warming, meaning that local species extinctions are
expected in the tropics
(well established)
{4.2.2.2.1}.
However, that does not necessarily imply an increase in
biodiversity in the polar seas, because of the rapid rate of
sea ice retreat and the enhanced ocean acidification of cold
waters
(established but incomplete)
{4.2.2.2.4}. Along
coastlines, the upsurge in extreme climatic events, sea level
rise and coastal development are expected to cause
increased fragmentation and loss of habitats. Coral reefs are
projected to undergo more frequent extreme warming
events, with less recovery time in between, declining by a
further 70–90 per cent at global warming of 1.5°C, and by
more than 99 per cent at warming of 2°C, causing massive
bleaching episodes with high coral mortality rates
(well
established)
{4.2.2.2.2}.
39
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THE GLOBAL ASSESSMENT REPORT ON BIODIVERSITY AND ECOSYSTEM SERVICES
approaches, including landscape approaches, integrated
watershed and coastal zone management, marine spatial
planning, bioregional scale planning for energy, and new
urban planning paradigms offer opportunities to reconcile
multiple interests, values and forms of resource use, provided
that these cross-sectoral approaches recognize trade-offs
and uneven power relations between stakeholders
(established but incomplete)
{5.4.2, 5.4.3, 6.3, 6.4}.
Transformative change is facilitated by
innovative governance approaches that incorporate
existing approaches, such as integrative, inclusive,
informed and adaptive governance. While such
approaches have been extensively practised and
studied separately, it is increasingly recognized that
together, they can contribute to transformative
change (established
but incomplete)
{6.2}.
They help to
address governance challenges that are common to many
sectors and policy domains and create the conditions for
implementing transformative change. Integrative
31
approaches, such as mainstreaming across government
sectors, are focused on the relationships between sectors
and policies and help to ensure policy coherence and
effectiveness
(well established).
Inclusive approaches help to
reflect a plurality of values and ensure equity
(established
but incomplete),
including through equitable sharing of
benefits arising from their use and rights-based approaches
(established but incomplete).
Informed governance entails
novel strategies for knowledge production and co-
production that are inclusive of diverse values and
knowledge systems
(established but incomplete).
Adaptive
approaches, including learning from experience, monitoring
and feedback loops, contribute to preparing for and
managing the inevitable uncertainties and complexities
associated with social and environmental changes
(established but incomplete)
{6.2, 5.4.2}.
A summary of the evidence related to the
components of pathways to sustainability suggests
that there are five overarching types of management
32
40
SUMMARY FOR POLICYMAKERS
I ND IRE CT
D RIVERS
Va l u e s a n d b e h a v i o u r s
Demographic
and
sociocultural
Economic and
technological
HUMAN
ACTIVITIES
EXAMPLES:
DIRE CT
DRIVE RS
Land/sea-use
change
Fisheries
Agriculture
Energy
Forestry
Mining
Tourism
Infrastructure
Integrative, adaptive, informed and inclusive
governance approaches including smart policy
mixes, applied especially at leverage points
Direct
exploitation
Climate change
Pollution
MULTI ACTOR
GOVERNANCE INTERVENTIONS
(LEVERS)
Institutions and
governance
Conflicts and
epidemics
Conservation
Invasive species
Others
etc.
• Incentives and capacity building
• Cross-sectoral cooperation
• Pre-emptive action
• Decision-making in the context of
resilience and uncertainty
• Environmental law and
implementation
LEVERAGE POINTS
Embrace
diverse
visions
of a good life
Reduce
total consumption and waste
Unleash
values and action
Reduce
inequalities
Iterative
learning loop
Practice
justice and inclusion in conservation
Internalize
externalities and telecouplings
Ensure
environmentally friendly technology, innovation and investment
Promote
education and knowledge generation and sharing
Figure SPM
9
Transformative change in global sustainability pathways.
Collaborative implementation of priority governance interventions (levers) targeting key points of intervention (leverage points) could
enable transformative change from current trends towards more sustainable ones. Most levers can be applied at multiple leverage
points by a range of actors, such as intergovernmental organizations, governments, non-governmental organizations, citizen and
community groups, indigenous peoples and local communities, donor agencies, science and educational organizations, and the
private sector, depending on the context. Implementing existing and new instruments through place-based governance interventions
that are integrative, informed, inclusive and adaptive, using strategic policy mixes and learning from feedback, could enable global
transformation.
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THE GLOBAL ASSESSMENT REPORT ON BIODIVERSITY AND ECOSYSTEM SERVICES
interventions, or levers, and eight leverage points that
are key for achieving transformative change
(Figure
SPM.9;
D3 and D4 above) {5.4.1, 5.4.2}. The notion of
levers and leverage points recognizes that complex global
systems cannot be managed simply, but that in certain
cases, specific interventions can be mutually reinforcing and
can generate larger-scale changes towards achieving
shared goals
(well established)
(Table SPM.1).
For
example, changes in laws and policies can enable and
underpin changes in resource management and
consumption, and in turn, changes in individual and
collective behaviour and habits can facilitate the
implementation of policies and laws {5.4.3}.
Changes towards sustainable production and
consumption and towards reducing and transforming
residues and waste, particularly changes in
consumption among the affluent, is recognized by
some individuals and communities worldwide as
central to sustainable development and reducing
inequalities. While actual reductions have been
limited, actions already being taken at different levels
can be improved, coordinated and scaled up
(well
established).
Those include introducing and improving
standards, systems and relevant regulations aimed at
internalizing the external costs of production, extraction and
consumption (such as pricing wasteful or polluting practices,
including through penalties); promoting resource efficiency
and circular and other economic models; voluntary
environmental and social certification of market chains; and
incentives that promote sustainable practices and
innovation. Importantly, they also involve a change in the
definition of what a good quality of life entails – decoupling
the idea of a good and meaningful life from ever-increasing
material consumption. All those approaches are more
effective when they are mutually reinforcing. Actions that
help to voluntarily unleash existing social values of
responsibility in the form of individual, collective and
organizational actions towards sustainability can have a
powerful and lasting effect in shifting behaviour and
cultivating stewardship as a normal social practice
(established but incomplete)
{5.4.1.2, 5.4.1.3, 6.4.2, 6.4.3}.
Expanding and effectively managing the current
network of protected areas, including terrestrial,
freshwater and marine areas, is important for
safeguarding biodiversity (well
established),
particularly in the context of climate change.
Conservation outcomes also depend on adaptive
governance, strong societal engagement, effective
and equitable benefit-sharing mechanisms, sustained
funding, and monitoring and enforcement of rules
(well
established)
{6.2, 5.4.2}.
National Governments play
a central role in supporting primary research, effective
conservation and the sustainable use of multi-functional
landscapes and seascapes. This entails planning
33
34
Integrated landscape governance entails a mix of
policies and instruments that together ensure nature
conservation, ecological restoration and sustainable
use, sustainable production (including of food,
materials and energy), and sustainable forest
management and infrastructure planning, and that
address the major drivers of biodiversity loss and
nature deterioration (well
established)
{6.3.2, 6.3.6}.
Policy mixes that are harmonized across sectors, levels of
governance and jurisdictions can account for ecological and
social differences across and beyond the landscape, build
on existing forms of knowledge and governance and
address trade-offs between tangible and non-tangible
benefits in a transparent and equitable manner
(established
but incomplete).
Sustainable landscape management can
be better achieved through multifunctional, multi-use,
multi-stakeholder and community-based approaches
(well
established),
using a combination of measures and
practices, including: (a) well-managed and connected
protected areas and other effective area-based conservation
measures; (b) reduced impact logging, forest certification,
payment for ecosystem services, among other instruments,
and reduced emissions from deforestation and forest
degradation; (c) support for ecological restoration;
(d) effective monitoring, including public access and
participation as appropriate; (e) addressing illegal activities;
(f) the effective implementation of multilateral environmental
agreements and other relevant international agreements by
35
SUMMARY FOR POLICYMAKERS
ecologically representative networks of interconnected
protected areas to cover key biodiversity areas and
managing trade-offs between societal objectives that
represent diverse worldviews and multiple values of nature
(established but incomplete)
{6.3.2.3, 6.3.3.3}. Safeguarding
protected areas into the future also entails enhancing
monitoring and enforcement systems, managing
biodiversity-rich land and sea beyond protected areas,
addressing property rights conflicts and protecting
environmental legal frameworks against the pressure of
powerful interest groups. In many areas, conservation
depends on building capacity and enhancing stakeholder
collaboration, involving non-profit groups as well as
indigenous peoples and local communities to establish and
manage marine protected areas and marine protected area
networks, and proactively using instruments such as
landscape-scale and seascape-scale participatory scenarios
and spatial planning, including transboundary conservation
planning
(well established)
{5.3.2.3, 6.3.2.3, 6.3.3.3}.
Implementation beyond protected areas includes combating
wildlife and timber trafficking through effective enforcement
and ensuring the legality and sustainability of trade in wildlife.
Such actions include prioritizing the prosecution of wildlife
trafficking in criminal justice systems, using community-
based social marketing to reduce demand and
implementing strong measures to combat corruption at all
levels
(established but incomplete)
{6.3.2.3}.
41
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THE GLOBAL ASSESSMENT REPORT ON BIODIVERSITY AND ECOSYSTEM SERVICES
their parties; and (g) promoting sustainable, biodiversity-
based food systems
(well established)
{6.3.2.1, 6.3.2.3,
6.3.2, 6.3.2.4}.
Feeding the world in a sustainable manner,
especially in the context of climate change and
population growth, entails food systems that ensure
adaptive capacity, minimize environmental impacts,
eliminate hunger, and contribute to human health and
animal welfare
(established but incomplete)
{5.3.2.1,
6.3.2.1}. Pathways to sustainable food systems entail
land-use planning and sustainable management of
both the supply/producer and the demand/consumer
sides of food systems (well
established)
{5.3.2.1,
6.3.2.1, 6.4}.
Options for sustainable agricultural production
are available and continue to be developed, with some
having more impacts on biodiversity and ecosystem
functions than others {6.3.2.1}. These options include
integrated pest and nutrient management, organic
agriculture, agroecological practices, soil and water
conservation practices, conservation agriculture,
agroforestry, silvopastoral systems, irrigation management,
small or patch systems and practices to improve animal
welfare. These practices could be enhanced through
well-structured regulations, incentives and subsidies, the
removal of distorting subsidies {2.3.5.2, 5.3.2.1, 5.4.2.1,
6.3.2}, and – at landscape scales – by integrated landscape
planning and watershed management. Ensuring the
adaptive capacity of food production entails the use of
measures that conserve the diversity of genes, varieties,
cultivars, breeds, landraces and species, which also
contributes to diversified, healthy and culturally-relevant
nutrition. Some incentives and regulations may contribute to
positive changes at both the production and consumption
ends of supply chains, such as the creation, improvement
and implementation of voluntary standards, certification and
supply-chain agreements (e.g., the Soy Moratorium) and the
reduction of harmful subsidies. Regulatory mechanisms
could also address the risks of co-option and lobbying,
where commercial or sectoral interests may work to
maintain high levels of demand, monopolies and continued
use of pesticides and chemical inputs {5.3.2.1}. Non-
regulatory alternatives are also important, and potentially
include technical assistance – especially for small-holders –
and appropriate economic incentive programs, for example,
some payment for ecosystem services programmes and
other non-monetary instruments {5.4.2.1}. Options that
address and engage other actors in food systems (including
the public sector, civil society, consumers and grassroots
movements) include participatory on-farm research, the
promotion of low-impact and healthy diets and the
localization of food systems. Such options could help
reduce food waste, overconsumption, and the demand for
animal products that are produced unsustainably, which
could have synergistic benefits for human health
(established but incomplete)
{5.3.2.1, 6.3.2.1}.
36
42
SUMMARY FOR POLICYMAKERS
Ensuring sustainable food production from the
oceans while protecting biodiversity entails policy
action to apply sustainable ecosystem approaches to
fisheries management; spatial planning (including the
implementation and expansion of marine protected
areas); and more broadly, policy action to address
drivers such as climate change and pollution (well
established)
{5.3.2.5, 6.3.3}.
Scenarios show that the
pathways to sustainable fisheries entail conserving, restoring
and sustainably using marine ecosystems, rebuilding
overfished stocks (including through targeted limits on
catches or fishing efforts and moratoria), reducing pollution
(including plastics), managing destructive extractive
activities, eliminating harmful subsidies and illegal,
unreported and unregulated fishing, adapting fisheries
management to climate change impacts and reducing the
environmental impact of aquaculture
(well established)
{4,
5.3.2.5, 6.3.3.3.2}. Marine protected areas have
demonstrated success in both biodiversity conservation and
improved local quality of life when managed effectively and
can be further expanded through larger or more
interconnected protected areas or new protected areas in
currently underrepresented regions and key biodiversity
areas
(established but incomplete)
{5.3.2.5; 6.3.3.3.1}. Due
to major pressures on coasts (including from development,
land reclamation and water pollution), implementing marine
conservation initiatives, such as integrated coastal planning,
outside of protected areas is important for biodiversity
conservation and sustainable use
(well established)
{6.3.3.3}. Other measures to expand multi-sectoral
cooperation on coastal management include corporate
social responsibility measures, standards for building and
construction, and eco-labelling
(well established)
{6.3.3.3.2,
6.3.3.3.4}. Additional tools could include both non-market
and market-based economic instruments for financing
conservation, including for example payment for ecosystem
services, biodiversity offset schemes, blue-carbon
sequestration, cap-and-trade programmes, green bonds
and trust funds and new legal instruments, such as the
proposed international, legally binding instrument on the
conservation and sustainable use of marine biological
diversity in areas beyond national jurisdiction under the
United Nations Convention on the Law of the Sea
(established but incomplete)
{6.3.3.2, 6.3.3.1.3,
5.4.2.1, 5.4.1.7}.
Sustaining freshwater in the context of climate
change, rising demand for water extraction and
increased levels of pollution involves both cross-
sectoral and sector-specific interventions that
improve water-use efficiency, increase storage,
reduce sources of pollution, improve water quality,
minimize disruption and foster the restoration of
natural habitats and flow regimes (well
established)
{6.3.4}.
Promising interventions include practising integrated
water resource management and landscape planning across
37
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THE GLOBAL ASSESSMENT REPORT ON BIODIVERSITY AND ECOSYSTEM SERVICES
scales; protecting wetland biodiversity areas; guiding and
limiting the expansion of unsustainable agriculture and
mining; slowing and reversing the de-vegetation of
catchments; and mainstreaming practices that reduce
erosion, sedimentation, and pollution run-off and minimize
the negative impact of dams
(well established)
{6.3.4.6}.
Sector-specific interventions include improved water-use
efficiency techniques (including in agriculture, mining and
energy), decentralized rainwater collection (for example,
household-based), integrated management of surface and
groundwater (e.g., “conjunctive use”), locally-developed
water conservation techniques, and water pricing and
incentive programmes (such as water accounts and
payment for ecosystem services programmes) {6.3.4.2,
6.3.4.4}. With regard to watershed payment for ecosystem
services programmes, their effectiveness and efficiency can
be enhanced by acknowledging multiple values in their
design, implementation and evaluation and setting up
impact evaluation systems
(established but incomplete)
{6.3.4.4}. Investment in infrastructure, including in green
infrastructure, is important, especially in developing
countries, but it can be undertaken in a way that takes into
account ecological functions and the careful blending of built
and natural infrastructure {5.3.2.4, 6.3.4.5}.
Meeting the Sustainable Development Goals in
cities and making cities resilient to climate change
entails solutions that are sensitive to social, economic
and ecological contexts. Integrated city-specific and
landscape-level planning, nature-based solutions and
built infrastructure, and responsible production and
consumption can all contribute to sustainable and
equitable cities and make a significant contribution to
the overall climate change adaptation and mitigation
effort.
Urban planning approaches to promote sustainability
include encouraging compact communities, designing
nature-sensitive road networks and creating low-impact
infrastructure and transportation systems (from an emissions
and land-use perspective), including active, public and
shared transport {5.3.2.6, 6.3.5}. However, given that most
urban growth between now and 2030 will take place in the
Global South, major sustainability challenges include
creatively and inclusively addressing the lack of basic
infrastructure (water, sanitation and mobility), the absence of
spatial planning, and the limited governance capacity and
financing mechanisms. Those challenges also offer
opportunities for locally-developed innovation and
experimentation, which will create new economic
opportunities. A combination of bottom-up and city-level
efforts through public, private, community and Government
partnerships, can be effective in promoting low-cost and
locally-adapted solutions to maintaining and restoring
biodiversity and ecosystem functions and services.
Nature-based options include combining grey and green
infrastructure (such as wetland and watershed restoration
and green roofs), enhancing green spaces through
restoration and expansion, promoting urban gardens,
maintaining and designing for ecological connectivity, and
promoting accessibility for all (with benefits for human
health). Additional solutions include disseminating new,
low-cost technologies for decentralized wastewater
treatment and energy production and creating incentives to
reduce over-consumption {6.3.5}. Integrating cross-sectoral
planning at the local, landscape and regional levels is
important, as is involving diverse stakeholders
(well
established).
Particularly important at the regional scale are
policies and programmes that promote sustainability-
minded collective action {5.4.1.3}, protect watersheds
beyond city jurisdictions and ensure the connectivity of
ecosystems and habitats (e.g., through green belts). At the
regional scale, cross-sectoral approaches to mitigating the
impact of infrastructure and energy projects entail support
for comprehensive environmental impact assessments and
strategic environmental assessments of local and regional
cumulative impacts {6.3.6.4, 6.3.6.6}.
Decision makers have a range of options and
tools for improving the sustainability of economic and
financial systems
(well established)
{6.4}. Achieving a
sustainable economy involves making fundamental
reforms to economic and financial systems and
tackling poverty and inequality as vital parts of
sustainability (well
established)
{6.4}.
Governments
could reform subsidies and taxes to support nature and its
contributions to people, removing perverse incentives and
instead promoting diverse instruments such as payments
linked to social and environmental metrics, as appropriate
(established but incomplete)
{6.4.1}. At the international
level, options for reacting to the challenges generated by the
displacement of the impacts of unsustainable consumption
and production on nature include both rethinking
established instruments and developing new instruments to
account for long-distance impacts. Trade agreements and
derivatives markets could be reformed to promote equity
and prevent the deterioration of nature, although there are
uncertainties associated with implementation
(established
but incomplete)
{6.4.4}. Alternative models and measures of
economic welfare (such as inclusive wealth accounting,
natural capital accounting and degrowth models) are
increasingly considered as possible approaches to
balancing economic growth and the conservation of nature
and its contributions and to recognizing trade-offs, the
pluralism of values, and long-term goals
(established but
incomplete)
{6.4.5}. Structural changes to economies are
also key to shifting action over long timescales. Such
changes include technological and social innovation regimes
and investment frameworks that internalize environmental
impacts, such as the externalities of economic activities,
including by addressing environmental impacts in socially
just and appropriate ways
(well established)
{5.4.1.7}.
Although such market-based policy instruments as
payments for ecosystem services, voluntary certification and
40
43
SUMMARY FOR POLICYMAKERS
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THE GLOBAL ASSESSMENT REPORT ON BIODIVERSITY AND ECOSYSTEM SERVICES
biodiversity offsetting have increased in use, their
effectiveness is mixed, and they are often contested; thus,
they should be carefully designed and applied to avoid
perverse effects in context
(established but incomplete)
{5.4.2.1, 6.3.2.2, 6.3.2.5, 6.3.6.3}. The widespread
internalization of environmental impacts, including
externalities associated with long-distance trade, is
considered both an outcome and a component of national
and global sustainable economies
(well established)
{5.4.1.6, 6.4}.
Table SPM
1
Approaches for sustainability and possible actions and pathways for achieving
them.
The appropriateness and relevance of different approaches varies according to place, system, decision-making process and
scale. The list of actions and pathways in the following table is illustrative rather than exhaustive and uses examples from the
assessment report.
Approaches for
sustainability
Possible actions and pathways to achieve transformative change
Key actors: (IG=intergovernmental organizations, G=Governments, NGOs =non-governmental organizations,
CG=citizen and community groups, IPLC = indigenous peoples and local communities, D=donor agencies, SO=
science and educational organizations, P=private sector)
Implementing
cross-sectoral approaches
that consider linkages and interconnections between sectoral
policies and actions (e.g., IG, G, D, IPLC) {6.2} {D1}.
Mainstreaming biodiversity
within and across different sectors (e.g., agriculture, forestry, fisheries, mining,
tourism) (e.g., IG, G, NGO, IPLC, CG, P, D) {6.2, 6.3.5.2} {D5}.
Encouraging integrated planning and management for sustainability at the landscape and seascape
levels
(e.g., IG, G, D) {6.3.2} {D5}.
Enabling integrative
governance to ensure
policy coherence and
effectiveness
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SUMMARY FOR POLICYMAKERS
Incorporating environmental and socioeconomic impacts,
including externalities, into public and private
decision-making (e.g., IG, G, P) {5.4.1.6} {B5}.
Improving existing policy instruments
and using them
strategically and synergistically
in smart policy
mixes (e.g., IG, G) {6.2, 6.3.2, 6.3.3.3.1, 6.3.4.6, 6.3.5.1, 6.3.6.1} {D4}.
Promoting inclusive
governance
approaches
through stakeholder
engagement and
the inclusion of
indigenous peoples
and local communities
to ensure equity and
participation
Recognizing and enabling the expression of different value systems and diverse interests
while
formulating and implementing policies and actions (e.g., IG, G, IPLCs, CG, NGO, SO, D) {6.2} {B5, D5}.
Enabling the inclusion and participation
of indigenous peoples and local communities, and women and girls
in environmental governance and
recognizing and respecting the knowledge, innovations, and practices,
institutions and values
of indigenous peoples and local communities, in accordance with national legislation
(e.g., G, IPLC, P) {6.2, 6.2.4.4} {D5}.
Facilitating national recognition for land tenure, access and resource rights
in accordance with national
legislation, and the application of
free, prior and informed consent and fair and equitable benefit-sharing
arising from their use
(e.g., G, IPLC, P) {D5}.
• Improving
collaboration and participation among
indigenous peoples and local communities, other
relevant stakeholders, policymakers and scientists to generate novel ways of conceptualizing and achieving
transformative change towards sustainability (e.g., G, IG, D, IPLC, CG, SO) {D5}.
Practicing informed
governance for
nature and nature’s
contributions to people
Improving the documentation of nature
(e.g., biodiversity inventory and other inventories)
and the
assessment of the multiple values of nature, including the valuation of natural capital
by both private and
public entities (e.g., SO, D, G, IG, P) {6.2} {D2}.
Improving the monitoring and enforcement
of existing laws and policies through
better documentation and
information-sharing
and
regular, informed and adaptive readjustments
to ensure transparent and enhanced
results as appropriate (e.g., IG, G, IPLC, P) {D2}.
• Advancing knowledge co-production and
including and recognizing different types of knowledge,
including indigenous and local knowledge and education, that enhances the legitimacy and effectiveness of
environmental policies (e.g., SO, IG, G, D) {B6, D3}.
Promoting adaptive
governance and
management
Enabling locally tailored choices
about conservation, restoration, sustainable use and development
connectivity that account for uncertainty in environmental conditions and scenarios of climate change (e.g., G,
IPLC, CG, P) {D3}.
• Promoting public access to relevant information as appropriate
in decision-making and responsiveness
to assessments by improving monitoring, including setting goals and objectives with multiple relevant
stakeholders, who often have competing interests (e.g., IG, G).
• Promoting awareness-raising activities
around the principles of adaptive management, including through
using short, medium and long-term goals that are regularly reassessed towards international targets (e.g., IG, G,
SO, CG, D) {D4}.
Piloting and testing
well-designed policy innovations
that experiment with scales and models (e.g., G, D, SO,
CG, IPLC) {D4}.
Increasing the
effectiveness of current and future international biodiversity targets and goals
(such as
those of the post-2020 global biodiversity framework and of the Sustainable Development Goals), (e.g., IG, G,
D) {6.2, 6.4}.
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Approaches for
sustainability
Possible actions and pathways to achieve transformative change
Key actors: (IG=intergovernmental organizations, G=Governments, NGOs =non-governmental organizations,
CG=citizen and community groups, IPLC = indigenous peoples and local communities, D=donor agencies, SO=
science and educational organizations, P=private sector)
Managing sustainable and multifunctional landscapes and seascapes and some of the actions they may entail
Producing and
consuming food
sustainably
Promoting sustainable agricultural practices,
including good agricultural practices, agroecology, among
others, multifunctional landscape planning and cross-sectoral integrated management {6.3.2}.
Sustainable use of genetic resources in agriculture,
including by conserving gene diversity, varieties,
cultivars, breeds, landraces and species (e.g., SO, IPLC, CG) {6.3.2.1} {A6}.
Promoting the use of biodiversity-friendly management practices
in crop and livestock production, forestry,
fisheries and aquaculture, including, where relevant, the use of traditional management practices associated
with indigenous peoples and local communities {6.3.2.1} {D6}.
Promoting areas of natural or semi-natural habitat
within and around production systems, including those
that are intensively managed, and restoring or reconnecting damaged or fragmented habitats where necessary
{6.3.2.1} {D6}.
• Improving
food market transparency
(e.g., traceability of biodiversity impacts, transparency in supply chains)
through tools such as labelling and sustainability certification.
Improving equity in food distribution and in the localization of food systems,
where appropriate and where
beneficial to nature or nature’s contributions to people (NCP).
Reducing food waste from production to consumption.
• Promoting
sustainable and healthy diets
{6.3.2.1} {D6}.
Integrating multiple
uses for sustainable
forests
• Promoting
multifunctional, multi-use and multi-stakeholder approaches and improving community-based
approaches
to forest governance and management to achieve sustainable forest management (e.g., IG, G, CG,
IPLC, D, SO, P) {6.3.2.2} {A4}.
• Supporting the
reforestation and ecological restoration
of degraded forest habitats with appropriate species,
giving priority to native species (e.g., G, IPLC, CG, D, SO) {6.3.2.2} {A4}.
Promoting and strengthening community-based management and governance, including customary
institutions and management systems, and co-management regimes involving
indigenous peoples and
local communities (e.g., IG, G, CG, IPLC, D, SO, P) {6.3.2.2} {D5}.
Reducing the negative impact of
unsustainable
logging
by improving and implementing sustainable forest
management, and
addressing illegal logging
(e.g., IG, G, NGO, P) {6.3.2.2} {D1}.
Increasing efficiency in forest product use,
including incentives for adding value to forest products (such
as sustainability labelling or public procurement policies), as well as promoting intensive production in well-
managed forests so as to reduce pressures elsewhere (e.g., P, D, NGO) {6.3.2.2} {B1}.
Conserving, effectively
managing and
sustainably using
terrestrial landscapes
Supporting, expanding and promoting effectively managed and ecologically representative networks
of well-connected protected areas and other multifunctional conservation areas, such as other effective area-
based conservation measures (e.g., IG, G, IPLC, CG, D) {3.2.1, 6.3.2.3} {C1, D7}.
Using extensive, proactive and participatory landscape-scale spatial planning
to prioritize land uses that
balance and further safeguard nature and
to protect and manage key biodiversity areas
and other important
sites for present and future biodiversity (e.g., IG, G, D) {B1, D7}.
• Managing and restoring biodiversity beyond protected areas, (e.g., IG, G, CG, IPLC, P, NGO, D) {B1}.
Developing robust and inclusive decision-making processes
that facilitate the positive contributions of
indigenous peoples and local communities to sustainability by incorporating locally-attuned management
systems and indigenous and local knowledge {B6, D5}.
Improving and expanding the levels of financial support
for conservation and sustainable use through a
variety of innovative options, including through partnerships with the private sector {6.3.2.5} {D5, D7, D10}.
Prioritizing land-based adaptation and mitigation measures that do not have negative impacts on
biodiversity
(e.g., reducing deforestation, restoring land and ecosystems, improving the management of
agricultural systems such as soil carbon, and preventing the degradation of wetlands and peatlands) {D8}.
Monitoring the effectiveness and impacts of protected areas
and other effective area-based conservation
measures.
Promoting sustainable
governance and
management of
seascapes, oceans
and marine systems
• Promoting shared and
integrated ocean governance, including for biodiversity, beyond national
jurisdictions
(e.g., IG, G, NGO, P, SO, D) {6.3.3.2} {D7}.
Expanding, connecting and effectively managing marine protected area networks
(e.g., IG, G, IPLC, CG
{5.3.2.3} {D7}, including protecting and managing priority marine key biodiversity areas and other important
sites for present and future biodiversity, and
increasing protection and connectivity.
Promoting the conservation and/or restoration of marine ecosystems
through rebuilding overfished stocks;
preventing, deterring and eliminating illegal, unreported and unregulated fishing; encouraging ecosystem-based
fisheries management; and controlling pollution through the removal of derelict gear and through addressing
plastics pollution (e.g., IG, G, P, IPLC, CG, SO, D) {B1, D7}.
Promoting ecological restoration, remediation and the multifunctionality of coastal structures,
including
through marine spatial planning (e.g., IG, G, NGO, P, CG, IPLC, SO, D) {6.3.3.3.1} {B1, D7}.
• Integrating
ecological functionality concerns into the planning phase of coastal construction
(e.g., IG, G,
NGO, P, CG, IPLC, SO, D) {6.3.3.3.1} {B1, D7}.
Expanding multi-sectoral cooperation
by increasing and improving corporate social responsibility measures
and regulation in building and construction standards, and eco-labelling and best practices (e.g., IG, G, NGO,
P, CG, IPLC, SO, D) {6.3.3.3.1} {B1, D7}.
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Table SPM
1
(continued)
Approaches for
sustainability
Possible actions and pathways to achieve transformative change
Key actors: (IG=intergovernmental organizations, G=Governments, NGOs =non-governmental organizations,
CG=citizen and community groups, IPLC = indigenous peoples and local communities, D=donor agencies, SO=
science and educational organizations, P=private sector)
Promoting sustainable
governance and
management of
seascapes, oceans
and marine systems
Encouraging effective fishery reform strategies
through incentives with positive impacts on biodiversity and
through the removal of environmentally harmful subsidies (e.g., IG, G) {6.3.3.2} {D7}.
Reducing the environmental impacts of aquaculture
by voluntary certification and by using best practices in
fisheries and aquaculture production methods (e.g., G, IPLC, NGO, P) {6.3.3.3.2, 6.3.3.3.5} {B1, D7}.
Reducing point and nonpoint source pollution,
including by managing marine microplastic and macroplastic
pollution through effective waste management, incentives and innovation (e.g., G, P, NGO) {6.3.3.3.1} {B1, D7}.
Increasing ocean conservation funding
(e.g., G, D, P) {6.3.3.1.3} {D7}.
Improving freshwater
management,
protection and
connectivity
Integrating water resource management and landscape planning,
including through increased protection
and connectivity of freshwater ecosystems, improving transboundary water cooperation and management,
addressing the impacts of fragmentation caused by dams and diversions, and incorporating regional analyses
of the water cycle (e.g., IG, G, IPLC, CG, NGO, D, SO, P) {6.3.4.6, 6.3.4.7} {B1}.
Supporting inclusive water governance,
e.g., through developing and implementing invasive alien species
management with relevant stakeholders (e.g., IG, G, IPLC, CG, NGO, D, SO, P) {6.3.4.3} {D4}.
Supporting co-management regimes for collaborative water management
and
to foster equity
between
water users (while maintaining a minimum ecological flow for the aquatic ecosystems), and engaging
stakeholders and using transparency to minimize environmental, economic and social conflicts {D4}.
• Mainstreaming practices that
reduce soil erosion, sedimentation and pollution run-off
(e.g., G, CG, P)
{6.3.4.1}.
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SUMMARY FOR POLICYMAKERS
Reducing the fragmentation of freshwater policies
by coordinating international, national and local
regulatory frameworks (e.g., G, SO) {6.3.4.7, 6.3.4.2}.
Increasing water storage
by facilitating groundwater recharge, wetlands protection and restoration, alternative
storage techniques and restrictions on groundwater abstraction. (e.g., G, CG, IPLC, P, D) {6.3.4.2} {B1, B3}.
Promoting investment in water projects
with clear sustainability criteria (e.g., G, P, D, SO) {6.3.4.5} {B1, B3}.
Building sustainable
cities that address
critical needs while
conserving nature,
restoring biodiversity,
maintaining and
enhancing ecosystem
services
• Engaging
sustainable urban planning
(e.g., G, CG, IPLC, NGO, P) {6.3.5.1} {D9}.
Encouraging densification for compact communities,
including through brownfield development and other
strategies {6.3.5.3}.
Including biodiversity protection, biodiversity offsetting, river basin protection, and ecological restoration
in regional planning
{6.3.5.1}.
Safeguarding urban key biodiversity areas
and ensuring that they do not become isolated through
incompatible uses of surrounding land {6.3.5.2, SM 6.4.2}.
Promoting biodiversity mainstreaming through stakeholder engagement and integrative planning
(e.g., G,
NGO, CG, IPLC) {6.3.5.3}.
Encouraging alternative business models and incentives for urban conservation
{6.3.2.1}.
Promoting sustainable production and consumption
{6.3.6.4}.
Promoting nature-based solutions
(e.g., G, NGO, SO, P) {6.3.5.2} {D8, D9}.
Promoting, developing, safeguarding or retrofitting green and blue infrastructure
(for water management)
while improving grey (hard) infrastructure to address biodiversity outcomes, {6.3.5.2}.
Promoting ecosystem-based adaptation within communities
{3.7, 5.4.2.2}.
• Maintaining and designing for
ecological connectivity within urban spaces,
particularly with native species
{6.3.5.2, SM 6.4.1}.
Increasing urban green spaces and improving access to them
{6.3.2}.
Increasing access to urban services for low-income communities,
with priorities for sustainable water
management, integrated sustainable solid waste management and sewage systems, and safe and secure
shelter and transport (e.g., G, NGO) {6.3.5.4} {D9}.
Promoting sustainable
energy and
infrastructure projects
and production
• Developing
sustainable strategies, voluntary standards and guidelines
for sustainable renewable energy
and bioenergy projects (e.g., G, SO, P) {6.3.6} {D8}.
• Strengthening and promoting
biodiversity-inclusive environmental impact assessments,
laws and guidelines
{6.3.6.2} {B1}.
Mitigating environmental and social impacts
where possible and
promoting innovative financing
and restoration
when necessary (e.g., G, P, NGO, D) {6.3.6.3} {B1}, including by redesigning
incentive
programmes and policies
to promote bioenergy systems that optimize trade-offs between biodiversity loss
and benefits (e.g., through life cycle analysis) {D8}.
Supporting community-based management and decentralized
sustainable energy production (e.g., G, CG,
IPLC, D) {6.3.6.4, 6.3.6.5} {D9}.
Reducing energy demands
so as to reduce the demand for biodiversity-impacting infrastructure (e.g., through
energy efficiency, new clean energy and reducing unsustainable consumption) (e.g., G, P) {B1}.
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Approaches for
sustainability
Possible actions and pathways to achieve transformative change
Key actors: (IG=intergovernmental organizations, G=Governments, NGOs =non-governmental organizations,
CG=citizen and community groups, IPLC = indigenous peoples and local communities, D=donor agencies, SO=
science and educational organizations, P=private sector)
Improving the
sustainability of
economic and financial
systems
Developing and promoting incentive structures
to protect biodiversity (e.g., removing harmful incentives)
(e.g., IG, G) {6.4} {D10}.
• Promoting
sustainable production and consumption,
such as through: sustainable sourcing, resource
efficiency and reduced production
impacts,
circular and other economic models, corporate social
responsibility, life-cycle assessments that include biodiversity, trade agreements and public procurement
policies (e.g., G, CA, NGO, SO) {6.4.3, 6.3.2.1} {D10}.
Exploring alternative methods of economic accounting
such as natural capital accounting and Material and
Energy Flow Accounting, among others (e.g., IG, G, SO) {6.4.5} {D10}.
Encouraging policies that combine poverty reduction
with measures to increase the provision of nature’s
contributions and the conservation and sustainable use of nature (e.g., IG, G, D) {3.2.1} {C2}.
Improving market-based instruments,
such as payment for ecosystem services, voluntary certification and
biodiversity offsetting, to address challenges such as equity and effectiveness (e.g., G, P, NGO, IPLC, CG,
SO) {B1}.
Reducing consumption
(e.g., encouraging consumer information to reduce overconsumption and waste, using
public policies and regulations and internalizing environmental impacts) (e.g., G, P, NGO) {B4, C2}.
Creating and improving supply-chain models
that reduce the impact on nature {D3}.
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SUMMARY FOR POLICYMAKERS
APPENDICES
49
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APPENDIX
1
Conceptual framework and
definitions
Global
Good quality of life
Human wellbeing
Living in harmony with nature
Living-well in balance
and harmony with Mother Earth
Interacting across spatial scales
IPBES Scope
National
Local
IPBES level of resolution
Nature’s contributions
to people
Ecosystem goods
and services
Nature’s gifts
SUMMARY FOR POLICYMAKERS
Anthropogenic assets
Direct drivers
Natural drivers
50
Institutions
and governance
and other
indirect drivers
Anthropogenic
drivers
Nature
Biodiversity and ecosystems
Mother Earth
Systems of life
Intrinsic values
Changing over time
Baseline-Trends-Scenarios
Figure SPM
A
1
The IPBES conceptual framework. Source: Díaz
et al.
(2015).
Figure SPM A1. The IPBES Conceptual Framework
is
a highly simplified model of the complex interactions
between the natural world and human societies.
The
model identifies the main elements (boxes within the main
panel outlined in grey), together with their interactions (arrows
in the main panel), that are most relevant to the Platform’s
goal. “Nature”, “nature’s contributions to people” and “good
quality of life” (indicated as black headlines and defined in
each corresponding box) are inclusive categories that were
identified as meaningful and relevant to all stakeholders
involved in IPBES during a participatory process, including
various disciplines of the natural and social sciences and
the humanities, and other knowledge systems, such as
those of indigenous peoples and local communities. Text in
green denotes scientific concepts, and text in blue denotes
concepts originating in other knowledge systems. The solid
arrows in the main panel denote influence between elements,
and dotted arrows denote links that are acknowledged as
important, but that are not the main focus of the Platform. The
thick coloured arrows below and to the right of the central
panel indicate the scales of time and space, respectively.
This conceptual framework was accepted by the Plenary in
decision IPBES-2/4, and the Plenary took note of an update
presented in IPBES/5/INF/24 and in decision IPBES-5/1.
Further details and examples of the concepts defined in the
box can be found in the glossary and in Chapter 1.
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Nature,
in the context of the Platform, refers to the natural
world, with an emphasis on biodiversity. Within the context
of science, it includes categories such as biodiversity,
ecosystems, ecosystem functioning, evolution, the
biosphere, humankind’s shared evolutionary heritage, and
biocultural diversity. Within the context of other knowledge
systems, it includes categories such as Mother Earth
and systems of life. Other components of nature, such
as deep aquifers, mineral and fossil reserves, and wind,
solar, geothermal and wave power, are not the focus of
the Platform. Nature contributes to societies through the
provision of contributions to people.
Anthropogenic assets
refers to built-up infrastructure,
health facilities, knowledge (including indigenous and local
knowledge systems and technical or scientific knowledge,
as well as formal and non-formal education), technology
(both physical objects and procedures), and financial assets,
among others. Anthropogenic assets have been highlighted
to emphasize that a good life is achieved by a co-production
of benefits between nature and societies.
Nature’s contributions to people
refers to all the
contributions that humanity obtains from nature. Ecosystem
goods and services, considered separately or in bundles,
are included in this category. Within other knowledge
systems, nature’s gifts and similar concepts refer to the
benefits of nature from which people derive good quality
of life. Aspects of nature that can be negative to people
(detriments), such as pests, pathogens or predators, are
also included in this broad category.
Nature’s regulating contributions
to people refers
to functional and structural aspects of organisms and
ecosystems that modify the environmental conditions
experienced by people, and/or sustain and/or regulate the
generation of material and non-material contributions. For
example, these contributions include water purification,
climate regulation and the regulation of soil erosion.
Nature’s material contributions
to people refers to
substances, objects or other material elements from
nature that sustain people’s physical existence and the
infrastructure (i.e. the basic physical and organizational
structures and facilities, such as buildings, roads, power
supplies) needed for the operation of a society or enterprise.
They are typically physically consumed in the process of
being experienced, such as when plants or animals are
transformed into food, energy, or materials for shelter or
ornamental purposes.
Nature’s non-material contributions
to people refers to
nature’s contribution to people’s subjective or psychological
quality of life, individually and collectively. The entities that
provide these intangible contributions can be physically
consumed in the process (e.g., animals in recreational
or ritual fishing or hunting) or not (e.g., individual trees or
ecosystems as sources of inspiration).
Drivers of change
refers to all those external factors that
affect nature, anthropogenic assets, nature’s contributions
to people and good quality of life. They include institutions
and governance systems and other indirect drivers, and
direct drivers (both natural and anthropogenic).
Institutions and governance systems and other
indirect drivers
are the ways in which societies
organize themselves and the resulting influences on
other components. They are the underlying causes of
environmental change that are exogenous to the ecosystem
in question. Because of their central role, influencing all
aspects of human relationships with nature, they are key
levers for decision-making. “Institutions” encompasses
all formal and informal interactions among stakeholders
and the social structures that determine how decisions
are taken and implemented, how power is exercised, and
how responsibilities are distributed. To varying degrees,
institutions determine the access to and control, allocation
and distribution of the components of nature and of
anthropogenic assets and their contributions to people.
Examples of institutions are systems of property and
access rights to land (e.g., public, common-pool or private),
legislative arrangements, treaties, informal social norms
and rules, including those emerging from indigenous and
local knowledge systems, and international regimes such
as agreements against stratospheric ozone depletion or
for the protection of endangered species of wild fauna and
flora. Economic policies, including macroeconomic, fiscal,
monetary or agricultural policies, play a significant role in
influencing people’s decisions and behaviour and the way
in which they relate to nature in the pursuit of benefits.
However, many of the drivers of human behaviour and
preferences, which reflect different perspectives on a good
quality of life, work largely outside the market system.
Direct drivers,
both natural and anthropogenic, affect
nature directly. “Natural drivers” are those that are not
the result of human activities and are beyond human
control. These include earthquakes, volcanic eruptions and
tsunamis, extreme weather or ocean-related events such
as prolonged drought or cold periods, tropical cyclones
and floods, the El Niño/La Niña Southern Oscillation
and extreme tidal events. The direct anthropogenic
drivers are those that are the result of human decisions,
namely, of institutions and governance systems and other
indirect drivers. Anthropogenic drivers include habitat
conversion, e.g., degradation of land and aquatic habitats,
deforestation and afforestation, exploitation of wild
populations, climate change, pollution of soil, water and
air and species introductions. Some of these drivers, such
as pollution, can have negative impacts on nature; others,
as in the case of habitat restoration, or the introduction
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of a natural enemy to combat invasive species, can have
positive effects.
Good quality of life
is the achievement of a fulfilled human
life, a notion which varies strongly across different societies
and groups within societies. It is a context-dependent state
of individuals and human groups, comprising access to
food, water, energy and livelihood security, and also health,
good social relationships and equity, security, cultural
identity, and freedom of choice and action. From virtually
all standpoints, a good quality of life is multidimensional,
having material as well as immaterial and spiritual
components. What a good quality of life entails, however, is
highly dependent on place, time and culture, with different
societies espousing different views of their relationships
with nature and placing different levels of importance on
collective versus individual rights, the material versus the
spiritual domain, intrinsic versus instrumental values, and
the present time versus the past or the future. The concept
of human well-being used in many western societies and its
variants, together with those of living in harmony with nature
and living well in balance and harmony with Mother Earth,
are examples of different perspectives on a good quality
of life.
52
SUMMARY FOR POLICYMAKERS
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THE GLOBAL ASSESSMENT REPORT ON BIODIVERSITY AND ECOSYSTEM SERVICES
APPENDIX
2
Communication
of the degree of confidence
High
High
LEVEL OF AGREEMENT
Inconclusive
Unresolved
53
SUMMARY FOR POLICYMAKERS
Low
Robust
Low
QUANTITY AND QUALITY OF EVIDENCE
Figure SPM
A
2
The four-box model for the qualitative communication of confidence.
Confidence increases towards the top-right corner as suggested by the increasing strength of shading. Source: IPBES (2016).
15
In this assessment, the degree of confidence in each main
finding is based on the quantity and quality of evidence
and the level of agreement regarding that evidence
(Figure
SPM.A2).
The evidence includes data, theory, models
and expert judgement. Further details of the approach
are documented in the note by the secretariat on the
information on work related to the guide on the production
of assessments (IPBES/6/INF/17).
Well established:
there is a comprehensive meta-
analysis or other synthesis or multiple independent
studies that agree.
Established but incomplete:
there is general
agreement, although only a limited number of studies
exist; there is no comprehensive synthesis, and/or the
studies that exist address the question imprecisely.
Unresolved:
multiple independent studies exist but
their conclusions do not agree.
15. IPBES, Summary for policymakers of the assessment report of
the Intergovernmental Science-Policy Platform on Biodiversity and
Ecosystem Services on pollinators, pollination and food production.
S.G. Potts, V. L. Imperatriz-Fonseca, H. T. Ngo, J. C. Biesmeijer, T. D.
Breeze, L. V. Dicks, L. A. Garibaldi, R. Hill, J. Settele, A. J. Vanbergen,
M. A. Aizen, S. A. Cunningham, C. Eardley, B. M. Freitas, N. Gallai,
P. G. Kevan, A. Kovács-Hostyánszki, P. K. Kwapong, J. Li, X. Li, D.
J. Martins, G. Nates-Parra, J. S. Pettis, R. Rader, and B. F. Viana
(eds.)., secretariat of the Intergovernmental Science-Policy Platform on
Biodiversity and Ecosystem Services, Bonn, Germany, 2016. Available
at http://doi.org/10.5281/zenodo.2616458.
Inconclusive:
there is limited evidence and a
recognition of major knowledge gaps.
CERTAINTY SCALE
Established
but incomplete
Well established
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THE GLOBAL ASSESSMENT REPORT ON BIODIVERSITY AND ECOSYSTEM SERVICES
APPENDIX
3
Knowledge gaps
In the course of conducting this assessment key information needs were identified. See draft table Appendix IV.
Data, inventories and monitoring on nature and the drivers of change
Gaps on biomes and units of analysis
Taxonomic gaps
NCP-related gaps
Links between nature, nature’s contributions to people and drivers with respect to targets and goals
Integrated scenarios and modelling studies
Potential policy approaches
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SUMMARY FOR POLICYMAKERS
Indigenous peoples and local communities
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THE GLOBAL ASSESSMENT REPORT ON BIODIVERSITY AND ECOSYSTEM SERVICES
APPENDIX
4
Draft table of knowledge gaps
Disclaimer:
This table of knowledge gaps was prepared by the experts of the Global Assessment and presented to and considered by a working
group established by the Plenary at its seventh session. The Plenary did not approve this table as part of the summary for policymakers. It is
therefore included in draft form, which does not imply working group or Plenary approval.
Sector
Knowledge gaps (in data, indicators, inventories, scenarios)
16
Data, inventories and
monitoring on nature
and the drivers of
change
Data on ecosystem processes (including rates of change) that underpin nature’s contributions to people and
ecosystem health
Data from monitoring of ecosystem condition (generally less well represented than ecosystem extent)
Data on changing interactions among organisms and taxa
Impacts of increasing CO
2
upon the total Net Primary Production of marine systems, and consequences for
ecosystem function and nature’s contributions to people
Syntheses of how human impacts affect organismal traits and global patterns and trends in genetic composition
Data on extinction risks and population trends, especially for insects, parasites and fungal and microbial
species
Indicators on the global extent and consequences of biotic homogenization, including genetic homogenization
Global spatial datasets on key threats, e.g., data on patterns in the intensity of unsustainable exploitation of
species and ecosystems
More comprehensive understanding of how human-caused changes to any Essential Biodiversity Variable class
(e.g., ecosystem structure) have impacts on others (e.g., community composition) and on nature’s contributions
to people
Data gaps in key inventories: World Database on Protected Areas, the World Database of Key Biodiversity
Areas™, red lists of threatened species and ecosystems, and the Global Biodiversity Information Facility
Monitoring of many listed species in the Convention on International Trade in Endangered Species of Wild
Fauna and Flora.
Monitoring of the long-term effects of dumped waste, especially radioactive material and plastics
Data on the impacts of war and conflict on nature and nature’s contributions to people
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SUMMARY FOR POLICYMAKERS
Gaps on biomes and
units of analysis
Taxonomic gaps
Inventories on under-studied ecosystems: freshwater, Arctic, marine/ocean, seabed, and wetlands
Inventories in soil, benthic and freshwater environments, and the implications for ecosystem functions
Basic data on many taxa (86 per cent of existing species on Earth and 91 per cent of species in the ocean still
await description)
Extinction risks and population trends for the following taxonomic groups: insects, fungal species, microbial
species (microorganisms) and parasites
Data on the genetic diversity and conservation status of breeds of farmed and domestic plants and animals
NCP-related gaps
Data on the status of species and nature’s contributions to people linked to specific ecosystem functions
Systematic indicators to report the status and trends for categories of nature’s contributions to people
Data on the impacts and extent of nature’s contributions to people on quality of life, by major user group (also
lacking an agreed typology on major user groups)
Data on the interrelationships between gender equality, nature and nature’s contributions to people
Data and information on NCP 10: regulation of detrimental organisms and biological processes (populations
of vectors and vector-borne diseases) and overlaps with vulnerable human populations and ecosystem
interactions
Data and information on NCP 9: the role of nature and nature’s contributions to people in mitigating or reducing
vulnerability to disasters
16. This list of knowledge gaps in the IPBES Global Assessment of Biodiversity and Ecosystem Services is not exhaustive.
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THE GLOBAL ASSESSMENT REPORT ON BIODIVERSITY AND ECOSYSTEM SERVICES
Sector
Knowledge gaps (in data, indicators, inventories, scenarios)
16
Links between nature,
nature’s contributions
to people and drivers
with respect to targets
and goals
Understanding on how nature contributes to achieving targets (the positive and negative relationships between
nature and targets/goals like the Sustainable Development Goals)
Disaggregated data on the impacts that nature has on good quality of life, particularly across regions, societies,
governance systems, and ecosystems
Need for indicators for some Sustainable Development Goals and Aichi Biodiversity Targets (e.g., Aichi
Biodiversity Target 15 on ecosystem resilience and contribution of biodiversity to carbon stocks and Target 18
on integration of traditional knowledge and effective participation of indigenous and local communities)
Better quantitative data to assess the Sustainable Development Goals and Aichi Targets where qualitative
indicators havebeen dominant (9 out of 44 targets under the Sustainable Development Goals reviewed)
Data on the benefits to human mental health from exposure to natural environments
Indicators that reflect the heterogeneity of indigenous peoples and local communities
Integrated scenarios
and modelling studies
Regional and global socioeconomic scenarios explicitly considering the knowledge, views and perspectives of
indigenous peoples and local communities
Regional and global ssocioeconomic scenarios developed for, by and in collaboration with indigenous peoples
and local communities and their associated institutions
Quantitative data showing how nature, its contributions to people, and good quality of life interact and change
in time along different pathways
Scenarios of the future of biodiversity which quantify the possible co-benefits related to nature’s contributions
to people
Scenarios about nonmaterial benefits to people compared to material benefits and regulating benefits
Integrated scenarios for areas projected to experience significant impacts and possible regime shifts (e.g.,
Arctic, semi-arid regions, and small islands)
Knowledge about the interaction, feedback and spill-overs among regions within future global scenarios
Assessment of nature’s contributions to people across scenario archetypes with robust knowledge and
quantitative estimates
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SUMMARY FOR POLICYMAKERS
Potential policy
approaches
Data to analyse the effectiveness of many policy options and interventions, including:
a) Data on the comparative effectiveness of different area-based conservation mechanisms (e.g., protected
areas, other effective area-based conservation measures) in conserving nature and nature’s contributions to
people and contributing to good quality of life
b) Indicators of the effectiveness of different restoration methodologies and to assess restoration progress over
time (including values)
c) Data on the comparative effectiveness of different processes of access and benefit sharing to ensure
fairness and equity
d) Better data on the global extent and forms of wildlife trafficking and its impacts on nature and nature’s
contributions to people
e) Data on the comparative effectiveness of different models for reconciling bioenergy and biodiversity
conservation
f) Data on the effectiveness of different schemes and models for payment for ecosystem services (PES),
particularly the trade-offs that arise between policy goals, the integration of multiple values in PES, data
on the profiles of PES participants and long-term monitoring of relational and behavioural implications of
participation
g) Data on the comparative effectiveness of different models of marine governance relating to conservation
Data on the extent of the participation of indigenous peoples and local communities in environmental
governance
Indicators on the impacts of environmentally harmful subsidies and trends and effectiveness of their removal at
the global level
Data on areas of uncertainty in applying the precautionary principle
Data on the monitoring of policy effectiveness to adapt and adjust policies and to share lessons
Data on the impacts of resource mobilization, using robust program evaluation methods (e.g., examples
of successful use of funding including impacts of donor funding for conservation and impacts of specific
biodiversity financing projects)
Data on the impacts of climate change on marine and coastal governance regimes
Data on the impacts of mainstreaming of biodiversity across sectors
Better data to develop biodiversity and environmental quality standards
Indigenous
Peoples and Local
Communities
Agreed-upon methods to enable systematic processes of knowledge generation, collection and synthesis
regarding indigenous and local knowledge (for assessments and elsewhere) and participation of indigenous
peoples and local communities in this process
Syntheses of indigenous and local knowledge about the status and trends in nature
Data to assess how progress in achieving goals and targets affects indigenous peoples and local communities,
either in positive or in negative ways
Trends in relation to the socioeconomic status of indigenous peoples and local communities (e.g., noting the
lack of data differentiation in aggregate statistics)
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The Intergovernmental Science-
Policy Platform on Biodiversity
and Ecosystem Services (IPBES)
is the intergovernmental body which assesses the state of biodiversity and
ecosystem services, in response to requests from Governments, the private
sector and civil society.
The mission of IPBES is to strengthen the science-policy interface for
biodiversity and ecosystem services for the conservation and sustainable
use of biodiversity, long-term human well-being and sustainable
development.
IPBES has a collaborative partnership arrangement with UNEP, UNESCO,
FAO and UNDP. Its secretariat is hosted by the German government and
located on the UN campus, in Bonn, Germany.
Scientists from all parts of the world contribute to the work of IPBES on a
voluntary basis. They are nominated by their government or an organisation,
and selected by the Multidisciplinary Expert Panel (MEP) of IPBES. Peer
review forms a key component of the work of IPBES to ensure that a range
of views is reflected in its work, and that the work is complete to the highest
scientific standards.
INTERGOVERNMENTAL SCIENCE-POLICY PLATFORM
ON BIODIVERSITY AND ECOSYSTEM SERVICES (IPBES)
IPBES Secretariat, UN Campus
Platz der Vereinten Nationen 1, D-53113 Bonn, Germany
Tel. +49 (0) 228 815 0570
[email protected]
www.ipbes.net
9 783947 851133