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Second external review of the IPBES transformative change assessment now live!

  • Transformative change assessment
Notification period
Download EM/2023/56

Dear IPBES members, observers and other interested stakeholders,

With reference to notification EM/2023/34 (20 September 2023), I am pleased to announce the start of the second external review of the thematic assessment of the underlying causes of biodiversity loss, determinants of transformative change and options for achieving the 2050 Vision for Biodiversity (transformative change assessment), which is open from 8 December 2023 to 31 January 2024 (8 weeks).

The second external review, which focuses on the second draft of the chapters and the first draft of the summary for policymakers of the assessment, is one of the most important phases in the IPBES assessment process. The second external review is addressed to Governments and interested and qualified experts, including scientists, decision-makers, practitioners and other knowledge holders. To ensure the highest scientific quality and policy relevance of the assessment, the Multidisciplinary Expert Panel is seeking peer review from the widest-possible participation of experts from all relevant disciplines and backgrounds. To ensure consistency with and continuity from the first external review, those who participated in the first review are particularly invited to send comments.

If you would like to participate as an expert reviewer in this external review, please follow these steps:

  1. Register as a user of the IPBES website ( if you have not already done so;
  2. Register to review the draft assessment at;
  3. Once registered, you will receive an email providing confidential access to the draft chapters, summary for policymakers, and glossary of the assessment;
  4. Comments must be submitted in English using the Excel comment template available on the same webpage as the draft documents;
  5. Comments must be submitted electronically via the IPBES website; when you are ready to submit your comments, please upload your completed Excel template no later than 31 January 2024 using the “Add Review” button on the same page as the draft documents (you must be logged in to upload your template);
  6. If you encounter any technical issues uploading your comments template, please contact [email protected].

An online dialogue with national focal points and an online dialogue with stakeholders, including practitioners, will be held in the context of the second external review of the assessment. There will be two sessions for each of these dialogues:

  • Monday 15 January 2024 - Online dialogue with national focal points:
    • Session 1: 9:30 – 11:30 CET (with English – Chinese, Russian and Arabic interpretation)
    • Session 2: 16:00 – 18:00 CET (with English – Spanish and French interpretation)
  • Wednesday 17 January 2024 – Online dialogue with stakeholders, including practitioners:
    • Session 1: 9:30 – 11:30 CET (English only)
    • Session 2: 16:00 – 18:00 CET (English only)

Please note that you need to register as a reviewer to participate in the dialogues (step 2 above). The dialogue registration link will be made available by email after a successful registration as a reviewer. Please contact the technical support unit on capacity-building for technical questions regarding the online dialogues ([email protected]).

The Plenary will be invited to consider the summary for policymakers of the transformative change assessment for approval and its chapters for acceptance at IPBES 11, currently planned for December 2024.

I thank you for your continued support to IPBES.

Yours sincerely,

Dr Anne Larigauderie | Executive Secretary
Intergovernmental Platform on Biodiversity and Ecosystem Services (IPBES)