The document outlines the roles and responsibilities of the IPCC Vice Chairs for the AR7 assessment report. It identifies Diana Urge-Vorsatz, Ramon Pichs-Madruga, and Ladislaus Chang'a as the three Vice Chairs. It describes their roles in areas such as inclusivity and diversity, liaising with other UN bodies and climate assessments, outreach to UNFCCC constituencies, and coordinating the three working groups.