Between mining for rare minerals, cooling data centers, and running computers for millions of hours, the climate impact of artificial intelligence is big and getting bigger. Marketplace’s Meghan McCarty Carino spoke with Sasha Luccioni, the climate lead for the AI company Hugging Face, about the process of training an earlier version of ChatGPT, which emitted roughly the same amount of carbon dioxide as a gas-powered car driving over one million miles.