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potentially very dumb question but could you build hydro power solutions(from the ice melt/run off) that you then get clean power from / help cool ice...? So out of my depth here but genuinely curious. Also appreciate building a hydro power plant on a very unstable platform (ice) is problematic just curious of other solutions to generate hydro power...

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Most of these ice sheets are already quite close to sea level and distributed across vast areas - like most of the coastline of Antarctica. Hydro power works best with significant altitude drops across very narrow choke-points.

No, the scale of energy potentially captured would not come close to the amount of energy needed to cool tons of water below freezing.

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