… Secretary of the United Nations Framework Convention on Climate Change, and Convener of Mission 2020, and Professor Angel Hsu. This wide-ranging discussion focuses on the … Secretary of the United Nations Framework Convention on Climate Change, and Convener of Mission 2020, and Professor Angel Hsu. This wide-ranging discussion focuses on the … Secretary of the United Nations Framework Convention on Climate Change, and Convener of Mission 2020, and Professor Angel Hsu. This wide-ranging discussion focuses on the …