The Working Group I contribution was released on 9 August 2021. The Working Group II and III contributions were released on 28 February and 4 April 2022 respectively. The Synthesis Report was released on 20 March 2023.

The IPCC is now in its sixth assessment cycle, in which the IPCC is producing the Sixth Assessment Report (AR6) with contributions by its three Working Groups and a Synthesis Report, three Special Reports, and a refinement to its latest Methodology Report.

The Working Group I contribution to the Sixth Assessment Report, Climate Change 2021: The Physical Science Basis was released on 9 August 2021

The Working Group II contribution, Climate Change 2022: Impacts, Adaptation and Vulnerability was released on 28 February 2022.

The Working Group III contribution , Climate Change 2022: Mitigation of Climate Change was released on 4 April 2022.

The Synthesis Report , Climate Change 2023: Synthesis Report was released on 20 March 2023 to inform the 2023 Global Stocktake under the United Nations Framework Convention on Climate Change.

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