korrents

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Sustainability by Numbers

Hannah Ritchie · 7 korrents · 3 pieces · hannahritchie.substack.com

Forget more reservoirs; should the UK just build desalination plants instead?3 korrents · 31 Aug 2026 · no page here yet

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Desalination for drinking and household water is cheap and uses less energy than commonly assumed.
Reservoirs are not inherently cheaper to build than desalination plants.
Reserving desalination plants only for emergency drought use does not work well.

The UK needs to build more reservoirs3 korrents · 18 Aug 2026 · no page here yet

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What's the carbon footprint of using ChatGPT?1 korrent · 6 May 2025 · no page here yet

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Concerns about the energy cost of an individual LLM prompt are no longer credible, though the environmental impact of the AI datacenter buildout remains a real worry.