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Polar Ice Sheets
The abrupt collapse of the world’s mountain glaciers raises even more disturbing questions about the earth’s biggest tracts of ice - the polar ice sheets of Antarctica and Greenland.
Extreme Ice
As scientists try to forecast the future consequences of the big melt, internationally acclaimed...
(01:13)
Melting Away
In the next hundred years, the oceans will expand on their own as they warm, accounting for...
(03:00)- All Videos
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