New technologies are helping to regrow Arctic sea ice

Grist
By Matilda HayApr 14, 2025, 4:45 am98 pts
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…

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