IPCC invites experts to review first draft of report on mitigation of climate change – EnviroNews

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The first draft of the Working Group III contribution to the IPCC Seventh Assessment Report (AR7) will be open for review this week. The Working Group III contribution to AR7 assesses the mitigation of climate change.

Authors finalised the first draft following their second Lead Author Meeting held at the end of September.

According to the IPCC, experts interested in reviewing and commenting on the draft should register by 23.59 CET on January 26, 2026. The expert review itself will begin on November 16, 2026, and will end on February 2, 2027.

The expert review is the first of multiple review stages foreseen for every IPCC report. Experts are invited to comment on the accuracy, balance, clarity and comprehensiveness.

They may suggest improvements to the presentation and accuracy of the draft including tables and figures, identify relevant scientific literature with full citations, propose revisions, and recommend improvements that enhance the clarity and accessibility of the text while maintaining its scientific robustness.

“The strength of the IPCC assessment process lies in the breadth and diversity of expertise that contributes to it,” said Joy Pereira, one of the Co-Chairs of Working Group III.

“We encourage experts from all relevant disciplines, regions and sectors to participate. The comments help ensure that our assessment reflects the available scientific literature and provides policymakers with a robust and comprehensive understanding of climate change mitigation,” Pereira added.

IPCC reports go through multiple stages of review: first by experts, then by governments and experts from around the world. The process helps ensure that its assessments are comprehensive, scientifically robust, balanced, and policy-relevant while remaining policy-neutral.

“The review process is a cornerstone of our work. By subjecting drafts to rigorous scrutiny by experts and governments from around the world, we help ensure that our assessments are accurate and balanced, while strengthening the quality, transparency and credibility of our reports,” said Kate Calvin, the other Co-Chair of Working Group III.

Experts who provide comments on the First Order Draft will also be invited to review the Second Order Draft. All expert reviewers will be acknowledged in the published report.