Some wore black dresses to signify a funeral for fossil fuels . Hundreds wore red shirts, symbolizing the blood of colleagues fighting to protect the environment. And others chanted, waved huge flags or held up signs Saturday in what's traditionally the biggest day of protest at the halfway point of annual United Nations climate talks .

Organizers with booming sound systems on trucks with raised platforms directed protesters from a wide range of environmental and social movements. Marisol Garcia, a Kichwa woman from Peru marching at the head of one group, said protesters are there to put pressure on world leaders to make "more humanized decisions."

An Indigenous group blocks an entrance to the COP30 U.N. Climate Summit as attendees walk around them, Friday, Nov. 14, 2025, in Belem,

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