IPCC:AR6/WGI

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Climate Change 2021: The Physical Science Basis (WGI)

Report
Climate Change 2021: The Physical Science Basis
Working Group I Contribution to the Sixth Assessment Report of the Intergovernmental Panel on Climate Change
The Working Group I (WGI) contribution to the Sixth Assessment Report (AR6) of the Intergovernmental Panel on Climate Change (IPCC) focuses on a full and comprehensive assessment of the physical science basis of climate change, based on evidence from more than 14,000 scientific publications available by 31 January 2021.

Published 2021

Table of Contents

Contents
Front Matter
Content in this section is out of scope
SPM
Summary for Policymakers
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TS
Technical Summary
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Chapters
Chapter 1Framing, Context, and Methods
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Chapter 2Changing State of the Climate System
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Chapter 3Human Influence on the Climate System
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Chapter 4Future Global Climate: Scenario-based Projections and Near-term Information
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Chapter 5Global Carbon and Other Biogeochemical Cycles and Feedbacks
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Chapter 6Short-lived Climate Forcers
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Chapter 7The Earth’s Energy Budget, Climate Feedbacks and Climate Sensitivity
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Chapter 8Water Cycle Changes
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Chapter 9Ocean, Cryosphere and Sea Level Change
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Chapter 10Linking Global to Regional Climate Change
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Chapter 11Weather and Climate Extreme Events in a Changing Climate
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Chapter 12Climate Change Information for Regional Impact and for Risk Assessment
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Atlas
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Annexes
Content in this section is out of scope

Contributors

Edited by
Valérie Masson-Delmotte (Co-Chair Working Group I), Panmao Zhai (Co-Chair Working Group I), Anna Pirani (Head of TSU), Sarah L. Connors (Head of Science Team), Clotilde Péan (Head of Operations), Yang Chen (Senior Science Officer), Leah Goldfarb (Senior Science Officer), Melissa I. Gomis (Senior Science Officer), J.B. Robin Matthews (Senior Science Officer), Sophie Berger (Science Officer), Mengtian Huang (Science Officer), Ozge Yelekçi (Science Officer), Rong Yu (Science Officer), Baiquan Zhou (Science Officer), Elisabeth Lonnoy (Project Assistant), Thomas K. Maycock (Science Editor), Tim Waterfield (IT Officer), Katherine Leitzell (Communication Manager), Nada Caud (Outreach Manager)

Citation suggestion

Cite this report
IPCC, 2021: Climate Change 2021: The Physical Science Basis. Contribution of Working Group I to the Sixth Assessment Report of the Intergovernmental Panel on Climate Change [Masson-Delmotte, V., P. Zhai, A. Pirani, S.L. Connors, C. Péan, S. Berger, N. Caud, Y. Chen, L. Goldfarb, M.I. Gomis, M. Huang, K. Leitzell, E. Lonnoy, J.B.R. Matthews, T.K. Maycock, T. Waterfield, O. Yelekçi, R. Yu, and B. Zhou (eds.)]. Cambridge University Press, Cambridge, United Kingdom and New York, NY, USA, 2391 pp. doi:10.1017/9781009157896.

Glossary

AR6 Reports
Synthesis
Working Groups
Special Reports
SYR
WGI
WGII
WGIII
SR15
SRCCL
SROCC