Sea-ice-free Arctic makes permafrost vulnerable to thawing

Permafrost is ground that remains frozen throughout the year; it covers nearly a quarter of Northern Hemisphere land. The frozen state of permafrost enables it to store large amounts of carbon; about twice as much as in the ...

Swiss glaciers shrink 10 percent in five years: study

Switzerland's glaciers have lost a tenth of their volume in the past five years aloneā€”a melting rate unmatched during observations stretching back more than a century, a study showed Tuesday.

Climate change threatens first peoples, body and soul

When global warming swallows up the postage stamp island of Warraber, forcing its 300 residents to find a new home, "it will not just be the loss of our land, but also a piece of us that is washed away," says Kabay Tamu.

'Snow-cannon' Enceladus shines up Saturn's super-reflector moons

Radar observations of Saturn's moons, Mimas, Enceladus and Tethys, show that Enceladus is acting as a "snow-cannon," coating itself and its neighbors with fresh water-ice particles to make them dazzlingly reflective. The ...

Rare California trout species returns to native habitat

For the first time in nearly a century, a rare California trout species will swim in a mountain creek that is its native habitat, marking a major milestone that conservationists hope will lead to a thriving population and ...

NASA estimates Hurricane Dorian's massive rainfall track

On Monday morning, September 9, Hurricane Dorian was a post-tropical storm after a mid-latitude weather front and cold seas had altered its tropical characteristics over the weekend. NASA compiled data on Hurricane Dorian ...

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