Dear Climate-L readers,
The Intergovernmental Panel on Climate Change (IPCC) is inviting experts to take part in a
second round of comments on the Working Group II contribution to the Fifth Assessment
Report that starts on Thursday, 28 March. For the second round of expert reviews, Working
Group II, which covers climate change impacts, adaptation, and vulnerability, is seeking
input from volunteer expert reviewers from all relevant fields. The second order draft of
the contribution will also be reviewed by the member governments of the IPCC. The review
period runs until 24 May. Registration for participation in the review is now open.
The IPCC seeks the widest possible participation by experts in the reviews of its draft
reports. Reviewers should reflect the full range of scientific, technical, and
socio-economic views, expertise, and geographical representation.
In order to arrive at a balanced assessment, Working Group II hopes to draw on the
expertise of climate scientists as well as others with the knowledge or experience to
provide scientific review comments on climate change impacts, adaptation, and
The main stages of the review process are the review of the first order draft by
scientific experts, the review of the second order draft by experts and governments, and a
final round of government comments on the draft of the Summary for Policymakers.
During the review of the first order draft of its contribution to AR5, Working Group II
received more than 19,000 comments from 563 reviewers from 60 countries. Independent
review editors ensure that every review comment is addressed by the authors of the report
chapters. To ensure transparency, all the comments and the responses from the authors are
published with the drafts after the reports are released.
Individuals who have already registered for the review of the first order draft are
automatically registered for the review of the second order draft. They can use the login
credentials provided for the earlier review. Experts who have not previously registered
may secure access to the reviewing system based on an email request to tsu(a)ipcc-wg2.gov .
Please feel free to disseminate this review registration link within your professional
For more information contact:
IPCC Press Office, Email: ipcc-media(a)wmo.int
Jonathan Lynn, + 41 22 730 8066 or Werani Zabula, + 41 22 730 8120
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