A clip said to show massive flooding in the Amazonian city hosting the UN climate summit is just one widely-shared example of how disinformation, cheaply created by artificial intelligence and circulating on social media, is influencing perceptions of COP30.

A new report released Thursday by the Climate Action Against Disinformation coalition (CAAD) finds despite increasing support for policies to address climate change, the persistence of online falsehoods, supercharged by AI, help sustain an undercurrent of hostility towards science.

CAAD and the Observatory for Information Integrity (Oii) highlighted a 267 percent surge, or more than 14,000 examples, of COP-related disinformation from July to September.

Several videos implied Belem would not be fit to host the key conference, but one

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