France, Nov. 12 -- American voices took the stage on day two of the COP30 climate conference, but none represented the federal government. California Governor Gavin Newsom, a Democrat, spoke at the UN climate summit in the Brazilian Amazon after the Trump administration opted not to send a delegation.

Newsom said a Democratic administration would rejoin the Paris Agreement "without hesitation."

"It's a moral commitment, it's an economic imperative, it's both -- and it's an abomination that he has twice, not once, pulled away from the accords," Newsom said in response to a question by French press agency AFP in Belem, the Brazilian Amazon city hosting the COP30 climate summit.

Newsom appeared alongside Helder Barbalho, the governor of P...