On eve of UN climate talks in Brazil, a call for less talking and more doing

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A sign for the upcoming COP30 U.N. Climate Summit sits outside of the press center in Belem, Brazil, Monday, Nov. 3, 2025. (AP Photo/Eraldo Peres)

BELEM – For 30 years, world leaders and diplomats have gathered at United Nations negotiating sessions to try to curb climate change, but Earth's temperature continues to rise and extreme weather worsens .

So this month, they're hoping for fewer promises and more action.

Past pledges from nearly 200 nations have fallen far short and new plans submitted this year barely speed up pollution-fighting efforts , experts say. And if the numbers aren't sobering enough for world leaders when they kick off the action Thursday, there's the setting: Belem, a relatively poor city on