Does a single AI query use a bottle of water?
We investigate how much water and power are used by artificial intelligence.
We鈥檙e living through boom-times for Artificial Intelligence, with more and more of us using AI assistants like ChatGPT, DeepSeek, Grok and Copilot to do basic research and writing tasks.
But what is the environmental impact of these technologies?
Many listeners have got in touch with More or Less to ask us to investigate various claims about the energy and water use of AI.
One claim in particular has caught your attention - the idea that the equivalent of a small bottle of drinking water is consumed by computer processors every time you ask an AI a question, or get it to write a simple email.
So, where does that claim come from, and is it true?
Reporter: Paul Connolly
Producer: Tom Colls
Production co-ordinator: Brenda Brown
Sound mix: Donald McDonald
Editor: Richard Vadon
Podcast
-
![]()
More or Less: Behind the Stats
Tim Harford and the More or Less team try to make sense of the statistics around us.
