Global warming is melting Arctic ice. Can science refreeze it?

by oqtey
a researcher bends over and points to the boundary between a body of water and ice

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In the dim twilight of an Arctic winter’s day, with the low sun stretching its orange fingers across the frozen sea, a group of researchers drill a hole through the ice and insert a hydrogen-powered pump. It looks unremarkable — a piece of pipe protruding from a metal cylinder — but it holds many hopes for protecting this landscape. Soon, it is sucking up seawater from below and spewing it onto the surface, flooding the area with a thin layer of water. Overnight this water will freeze, thickening what’s already there.

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