Artificial intelligence training is powered mostly by fossil fuels, according to one of the largest studies of its kind. Less than 25 per cent of AIs use low-carbon energy sources such as hydroelectricity and nuclear power during training.
“People see AI to be this intangible thing that lives in the cloud,” says Sasha Luccioni at Hugging Face, a company that develops tools for sharing AI code and data sets. “But behind AI models, there are layers and layers of hardware and…