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

  • Senator Whitehouse, Rhode Island

 

U.S. Representatives

No members of the U.S. House of Representatives were in attendance at COP30

 

Other notable U.S. federal officials

No other notable U.S. federal officials were in attendance at COP30

 

U.S. Governors

  • Governor Tony Evers, Wisconsin 
  • Governor Gavin Newsom, California
  • Governor Michelle Lujan Grisham, New Mexico

 

U.S. Mayors

  • Kate Gallego, Phoenix, Arizona
  • Regina Romero, Tucson, Arizona
  • Ora Barnes Sevens, Marianna, Arkansas
  • Derrick Rainey, Wrightsville, Arkansas 
  • Rex Richardson, Long Beach, California
  • Patricia Lock Dawson, Riverside, California
  • Jeni Arndt, Fort Collins, Colorado
  • Joe Ganim, Bridgeport, Connecticut

  • Ashira Mohammed, Pembroke Park, Florida

  • Deana Holiday Ingraham, East Point, Georgia

  • Van Johnson, Savannah, Georgia

  • Roderick D. Hampton, Haynesville, Louisiana
  • Katrina Evans, Campti, Louisiana

  • Brian K. Jackson, Beverly Hills, Missouri

  • Barbara Buffaloe, Columbia, Missouri

  • Catrina Robinson, Hayti Heights, Missouri
  • Wilmot Collins, Helena, Montana
  • Kathy Sheehan, Albany, New York
  • Steve Patterson, Athens, Ohio
  • Lacey Beaty, Beaverton, Oregon
  • Keith Wilson, Portland, Oregon
  • Kirk Watson, Austin, Texas
  • Derrick R. Wood, Dumfries, Virginia
  • Angela Birney, Redmond, Washington
  • Emmett Pepper, Charleston, West Virginia

 

Other notable U.S. subnational officials

  • Josh Becker, State Senator, 13th Senate District, California
  • Wade Crowfoot, Secretary for Natural Resources, California
  • Laura Dent, Councilmember, Harrisonburg, Virginia
  • Nylah Oliver, Sustainability Director, Savannah, Georgia 
  • Hannah Payne, Director of Carbon Neutrality, Boston, Massachusetts
  • Dr. Jennifer Jurado, Chief Resilience Officer, Broward County, Florida
  • Angela Tovar, Chief Sustainability Officer, Chicago, Illinois
  • Mo McReynolds, Director of the Office of Sustainability, Indianapolis, Indiana
  • Julianah Douglas, Climate Action Manager, Salem, Oregon
  • Kim Morrow, Chief Sustainability Officer, Lincoln, Nebraska
  • Gina Bell, Director of Sustainability, Dubuque, Iowa
  • Jill Connors, Economic Development Director, Dubuque, Iowa
  • Karen Ross, Secretary of Food and Agriculture, California
  • Christina Snider-Ashtari, Tribal Affairs Secretary, Office of California Governor Gavin Newsom
  • Aaron Ordower, Environmental Deputy, LA County Supervisor Lindsey Horvath
  • Sam Cho, Commissioner, Port of Seattle

  • Henry Stern, State Senator, 27th Senate District, California
  • Andrea Romero, State Representative, 46th House District, New Mexico
  • Alexa Voytek, Deputy Director of Energy Programs, Department of Environment and Conservation, Tennessee
  • Alice Reynolds, President, Public Utility Commission, California
  • Travis Kellerman, Senior Policy Advisor, Energy, Minerals, and Natural Resources Department, New Mexico
  • Virginia Jameson, Deputy Secretary for Climate and Working Lands, Department of Food and Agriculture, California
  • Aaron Ordower, Environment Deputy, Board of Supervisors, Los Angeles County
  • Sarah Swig, Deputy Cabinet Secretary and Senior Advisor on Climate, Office of California Governor Gavin Newsom

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.