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Nvidia wants to cut data center water use, but that’s not the same as fixing AI’s water problem

TechCrunch AI · Jun 22, 2026, 8:08 PM · Also reported by 4 other sources

Key takeaways

  • The water consumption challenge for data centers is largely solved, Josh Parker, chief sustainability officer at Nvidia, recently told Axios.
  • As long as AI data centers run on fossil fuels — a choice tech companies are increasingly making — the savings stop at the data center s walls.
  • The core issue is how Nvidia measures data center water use.

Why this matters: a development in AI with implications for how people work, create, and decide.

Nvidia just announced a warm-water cooling system that it says can dramatically reduce the amount of water a data center uses — eliminating pretty much all water usage inside the data center, according to an Nvidia executive in a press release.

The water consumption challenge for data centers is largely solved, Josh Parker, chief sustainability officer at Nvidia, recently told Axios.

But that s only part of the water story. As long as AI data centers run on fossil fuels — a choice tech companies are increasingly making — the savings stop at the data center s walls.

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