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IPCC Sixth Assessment Report

Description

The IPCC's Sixth Assessment Report (AR6) comprises three Working Group contributions: Working Group I (the physical science basis), Working Group II (impacts, adaptation and vulnerability) and Working Group III (mitigation) and a Synthesis Report.

The Working Group I contribution to the Sixth Assessment Report, Climate Change 2021: The Physical Science Basis addresses the most up-to-date physical understanding of the climate system and climate change, bringing together the latest advances in climate science, and combining multiple lines of evidence from paleoclimate, observations, process understanding, and global and regional climate simulations. It was released on 9 August 2021

See the Regional factsheet for Europe produced by Working Group I.

The Working Group II contribution, Climate Change 2022: Impacts, Adaptation and Vulnerability was released on 28 February 2022. It assesses the impacts of climate change, looking at ecosystems, biodiversity, and human communities at global and regional levels. It also reviews vulnerabilities and the capacities and limits of the natural world and human societies to adapt to climate change.

See the Regional factsheet for Europe produced by Working Group II.

The Working Group III contribution was released in early April 2022. The report provides an updated global assessment of climate change mitigation progress and pledges, and examines the sources of global emissions. It explains developments in emission reduction and mitigation efforts, assessing the impact of national climate pledges in relation to long-term emissions goals.

The Synthesis Report will be the last of the AR6 products and is scheduled to be released in September 2022. The Synthesis Report integrates the three Working Group reports as well as the findings from the three cross-Working Group Special Reports prepared during this assessment cycle: Special Report on Global Warming of 1.5ºC (SR15, October 2018), Special Report on Climate Change and Land (SRCCL, August 2019) and Special Report on the Ocean and Cryosphere in a Changing Climate (SROCC, September 2019).

During the AR6 cycle the IPCC also updated its methodologies with the 2019 Refinement to the 2006 Guidelines on National Greenhouse Gas Inventories (May 2019).

Reference information

Contributor:
Intergovernmental Panel on Climate Change (IPCC)

Published in Climate-ADAPT Mar 02 2022   -   Last Modified in Climate-ADAPT Apr 05 2022

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