By ANTON L. DELGADO, Associated Press

BELEM, Brazil (AP) — At the U.N. climate talks in Brazil, artificial intelligence is being cast as both a hero worthy of praise and a villain that needs policing.

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Tech companies and a handful of countries at the conference known as COP30 are promoting ways AI can help solve global warming, which is driven largely by the burning of fossil fuels like oil, gas and coal. They say the technology has the potential to do many things, from increasing the efficiency of electrical grids and helping farmers predict weather patterns to tracking deep-sea migratory species and designing infrastructure that can withstand extreme weather.

Climate groups, however, are sounding the alarm about AI’s growing environmental impact, with its surging need

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