View of Brazil's stand at the COP30 UN Climate Change Conference in Belem, Para State, Brazil, on November 11, 2025. He was referring to the Círio de Nazaré, one of the world’s largest religious processions honouring Our Lady of Nazareth, which took place in the Brazilian host city Belém just weeks before the world’s largest climate talks came to town. Photograph: Mauro Pimentel/AFP via GettyThe good news is that the world’s richest country, the United States, is attending Cop30 although not with top-level representation. While president Donald Trump sent not one official delegate, the US Climate Alliance, a coalition of 24 governors continuing climate action at state level, is represented. The good news for climate is that the enormous state and economy of California still believes in climate action.