- Interested experts are invited to register here by 23:59 CEST on 25 September 2026.
- To know more, visit the IPCC website.
- Guide for expert reviewers.

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 expert review, the first of multiple review stages, will run from 10 August to 2 October 2026. Interested experts are invited to register here by 23:59 CEST on 25 September 2026./p>
- Interested experts are invited to register here by 23:59 CEST on 25 September 2026.
- To know more, visit the IPCC website.
- Guide for expert reviewers.