As the United States retreats from its climate commitments under President Trump, Gov. Gavin Newsom is stepping onto the world stage in Brazil, casting himself as a de facto U.S. climate envoy at COP30.
As the United States retreats from its climate commitments under President Trump, Gov. Gavin Newsom is stepping onto the world stage in Brazil, casting himself as a de facto U.S. climate envoy at COP30.