Scientists using underwater drones to thicken Arctic ice

World News Scientists using underwater drones to thicken Arctic ice By Kathianne Boniello Published June 20, 2026, 9:00 a.m. ET See more of our coverage in your search results. Add The New York Post on Google They’re putting the Arctic on ice. Scientists have been working to stave off summer in one of the Earth’s coldest places in a bid to protect rapidly melting Arctic sea ice — and it appears to be working, according to a report. Real Ice, an effort funded by the UK government, uses hydrogen-powered underwater drones to pump seawater to the surface of the Arctic in winter, where temperatures can average -40 degrees Fahrenheit. During the process, the ocean water freezes, thickening the ice and providing an extra layer of protection during the relatively warmer summer months.

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