COP30 opened in Brazilian Amazon with urgent calls for unity as U.S. sits out

United Nations climate negotiations opened Monday on the edge of the Brazilian Amazon, with host leaders invoking Indigenous concepts of collective action to push for accelerated progress, even as the absence of high-level U.S. negotiators underscored deep geopolitical divisions.

André Corrêa do Lago, president of the COP30 conference, set the tone by calling for a “mutirão”—a Brazilian term derived from an Indigenous word…