Thanks Hendrick. Lots of people have made similar points, basically: “compare mining with [insert other insanely power-hungry industry here]…” but that seems unhelpful. Yes, aluminium smelting and cheeseburger manufacture are contributing to global warming. But where will the power we need to run a built-out PoW ecology come from? How can we possibly afford it?

I’m a trustee at the amazing Poppy Academy Trust, a social media editor in radio, a poet and a volunteer at Watford Refugees.

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