‘Just an unbelievable amount of pollution’: how big a threat is AI to the climate?

Defenders say AI can do good to fight the climate crisis. But spiralling energy and water costs leave experts worriedDuring a golden sunset in Memphis in May, Sharon Wilson pointed a thermal imaging camera at Elon Musk’s flagship datacentre to reveal a planetary threat her eyes could not. Free from pollution controls, the gas-fired turbines that power the world’s biggest AI supercomputer were pumping invisible fumes into the Tennessee sky.“It was jaw-dropping,” said Wilso