UN climate negotiations were expected to begin on Monday at a meeting on the edge of the Brazilian Amazon, with leaders pushing for urgency, cooperation and acceleration after more than 30 years fighting to curb global warming by drastically reducing the carbon pollution that causes it.

Andre Correa do Lago, president of this year’s conference, known as COP30, emphasised that negotiators engage in “mutirao,” a Brazilian word derived from an Indigenous word that refers to a group uniting to work on a shared task.

“Either we decide to change by choice, together, or we will be imposed change by tragedy,” Lago wrote in his letter to negotiators on Sunday. “We can change. But we must do it together.” Complicating the calls for togetherness is the United States. The Trump administration did no

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