Working Group I The Physical Science Basis
About

The Intergovernmental Panel on Climate Change at its Sixty-second Session, recalling the Decision IPCC-LXI-9, agreed on the outlines of the contributions of Working Groups to the Seventh Assessment.

Timeline

  • Panel agreed to the outline at its 62nd Session held in in Hangzhou, China from 24 - 28 February 2025 (Decision IPCC-LXII-8.)
  • First Lead Author Meeting: 1-5 December 2025 in Paris, France
  • Second Lead Author Meeting: 20-24 April 2026 in Santiago, Chile