The United Nations and Britain said Wednesday they would co-host a global climate summit on December 12, the fifth anniversary of the landmark Paris Agreement.
In this photo provided by the United Nations, U.N. Secretary General Antonio Guterres speaks in the General Assembly in observance of the International Day of Peace, celebrating 75 Years of the United Nations, at UN headquarters, Monday, Sept. 21, 2020. (Eskinder Debebe/United Nations via AP)