Climate Change
Climate Diplomacy

U.S. Leaders at COP30: Members of Congress and Other U.S. Officials at the 2025 UN Climate Summit

By Anna McGinn and Hannah Wilson-Black and Laura Gries and Nicole Pouy

November 6, 2025

This list will compile the U.S. federal and elected officials who attended the UN climate summit, COP30, in Brazil. It includes leaders who traveled to Belém, Brazil, as well as those who engaged in Rio de Janeiro and São Paulo. For more on agreements, declarations, and collaborations announced at COP30, see our key announcements tracker.

 

U.S. Senators

 

U.S. Representatives

 

Other notable U.S. federal officials

 

U.S. Governors

 

U.S. Mayors

 

Other notable U.S. subnational officials

 

This article is based on our own observations from COP30 events, press releases, and news stories, and we may have inadvertently missed U.S. officials at COP30.