270 authors from 67 countries assessed the impacts of climate change on ecosystems and human communities at global and regional levels, their vulnerabilities, adaptation capacities and limits as well as options for achieving climate-resilient development.

A call for nomination of authors was sent to IPCC member governments, Observer Organizations and Bureau Members on 15 September 2017. They were asked to submit their nominations via their Focal Point by 27 October 2017 via the online portal for submitting nominations.

The Bureaus of the three IPCC Working Groups met to select the author teams from the list of nominations on 29 – 30 January 2018.

270 experts from 67 countries were invited to take on their roles in the WGII contribution to the IPCC Sixth Assessment Report. Of the selected experts, 47 are Coordinating Lead Authors and 184 are Lead Authors who have the collective responsibility for the contents of their assigned chapters and cross-chapter papers in the report. 39 of the experts are Review Editors who ensure that all substantive comments during the review stages are given appropriate consideration by the Authors. 57% of the selected experts come from developing countries and countries with economies in transition, and 43% are from developed countries. 54% of the selected experts are new to the IPCC process. 41% of them are women and 59% men.

The full list of Coordinating Lead Authors, Lead Authors and Review Editors for the Working Group II contribution to the IPCC Sixth Assessment Report is available in the author database.