IPCC Calls for Expert Review of the First Order Draft of Working Group I contribution to the Seventh Assessment Report (AR7)

Registration is now open for experts to review the First Order Draft of the Working Group I contribution to the IPCC Seventh Assessment Report (AR7). The Working Group I contribution to AR7 is assessing the latest physical science basis of climate change, including observed and projected large-scale climate changes, climate processes and feedbacks, and regional climate information. The deadline for submitting comments is  02 Oct 2026 23:59 (CEST). Interested experts are invited to register at: [https://apps.ipcc.ch/comments/ar7wg1/register.php?q=fod] by 23:59 CEST on 25 September 2026. 

More information on the role of an expert reviewer is available in Annex 1 of Appendix A to the Principles Governing IPCC Work. Additional information on the expert review process is available in this guide for expert reviewers.  For more information, contact:

IPCC Press Office, Email: ipcc-media@wmo.int

Andrej Mahecic, +41 22 730 8516; Werani Zabula, +41 22 730 8120.