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Melt pond

Ice scientists Ken Golden and Chris Polashenski drill a plastic tube into the Arctic ice cap north of Alaska as part of their research into melt ponds that form on the ice every spring. The ponds play a key role in the accellerated warming of the Arctic,

A scientist unlocks one of the mysteries of Arctic ice melt

Environment

On a research voyage through the Arctic ice cap, a scientist has a eureka moment, one that he hopes will help solve some of the riddles about Arctic ice melt — and what’s ahead for the rest of the planet as the climate warms up.

Scientists reveal startling decrease in Arctic Ocean ice cover

Environment