Working Group II contribution to the IPCC Fifth Assessment Report

In its reports, Working Group II assesses the scientific, technical, environmental, economic and social aspects of the vulnerability (sensitivity and adaptability) to climate change of, and the negative and positive consequences for, ecological systems, socio-economic sectors and human health, with an emphasis on regional sectoral and cross-sectoral issues.

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.

For the second round of expert reviews, Working Group II 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.