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Zeke Hausfather

What Zeke Hausfather thinks about energy

@zeke-hausfather · 22 positions · 0 changes of mind

Climate scientist and energy systems analyst; writes The Climate Brink with Andrew Dessler.

Everything they publish, on ppll ↗

Zeke Hausfather did not write this page.

We collected these quotes from things they published elsewhere, and every quote links to where it was said. They have no account here and have not endorsed this site. Quotes are word for word; the short line under each one is our own restatement, not their wording. Their own site. Is this you? Claim it or ask us to remove it. Or tell us what is wrong here.

3 dated positions, 2026, in their own words. Our reading of what Zeke Hausfather has said — not written or endorsed by them.

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  1. Our readingMaking AI compute cheaper per token drives enough extra usage that total AI energy consumption rises rather than falls (a Jevons paradox effect).

    Their wordsThis is the Jevons paradox in action: making compute cheaper per token in turn tends to lead to greater levels of AI use.

    ↗The real energy use of agentic AItheclimatebrink.com 1st of 3 in this piece

  3. Our readingThe carbon intensity of the electricity grid, not compute efficiency, is the lever that matters most for AI's climate impact.

    Their wordsWhich is why the lever that actually matters most is the carbon intensity of the electricity.

    ↗The real energy use of agentic AItheclimatebrink.com 2nd of 3 in this piece

  5. Our readingAI's energy use is an easier end-use to decarbonize than aviation.

    aviation

    Their wordsUnlike aviation, this is an end-use we already know how to decarbonize.

    ↗The real energy use of agentic AItheclimatebrink.com 3rd of 3 in this piece