The UK government wants its staff to open a spreadsheet before they open an AI chatbot. That’s the gist of its draft guidelines on sustainable AI use, and I’m not impressed.
Employees should skip it if a traditional tool can do the job. If they can’t, they should pick the smallest model available and keep prompts short and few. The aim is to cut the environmental cost.
The problem is obvious. Smaller models hallucinate more, and short prompts give them less to work with. So staff get worse answers, then have to check them by hand. That probably wastes more energy than it saves.

It also feels like a government treating AI as a fad. Neither the UK nor Europe has a frontier-class Artificial Intelligence model, so I’m not shocked.
The US is going the other way
The US is going all in. Data centre net additions are expected to hit around 38 GW in 2027, up from roughly 10 GW in 2025. Even so, Morgan Stanley’s figures show a power gap of around 33 GW, after counting new on-site turbines, engines and fuel cells.

One side is struggling to find enough power to build AI. The other is asking staff to think twice before typing a prompt. I know which one I’d bet on.
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