Image Caption: The Mackenzie River Delta on the Beaufort Sea, a low-lying region in the Canadian Arctic that is vulnerable to rising seas in a warming climate. CREDIT: Nadia and Harold Gomez
One of the big mysteries in the scientific world is how the ice sheets of Antarctica formed so rapidly about 34 million years ago, at the boundary between the Eocene and Oligocene epochs....
鈥淏oth the Arctic and Antarctic experienced record lows in sea ice extent in November, with scientists astonished to see Arctic ice actually retreating at a time when the region enters the cold...
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