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Does a single AI query use a bottle of water?

We investigate how much water and power are used by artificial intelligence.

We are 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
Sound engineer: Donald McDonald
Production co-ordinator: Brenda Brown
Editor: Richard Vadon

(Photo: Water spilling out of a bottle. Credit Yamada Taro/Getty Images)

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9 minutes

Last on

Sun 27 Jul 2025 23:50GMT

Broadcasts

  • Sat 26 Jul 2025 04:50GMT
  • Sat 26 Jul 2025 17:50GMT
  • Sun 27 Jul 2025 04:50GMT
  • Sun 27 Jul 2025 08:50GMT
  • Sun 27 Jul 2025 10:50GMT
  • Sun 27 Jul 2025 23:50GMT

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