The rapidly melting sea ice in the Arctic is threatening the livelihood of polar bears and their prey. In response, a group of researchers is suggesting a program of supplemental feeding as a potential solution.
Antarctica has long been considered a last redoubt of cold in a warming globe. But new science suggests that a key part is warming up fast. Sam Eaton reports the finding could cause scientists to rethink their sea level projections for later this century.
The northeast United States is bracing Monday for Hurricane Sandy to move on shore with winds approaching 100 mph and a storm surge that is already inundating cities in New York and New Jersey. This Frankenstorm is moving in a weird way, something that's unexpected more than once in 500 years.
That Greenland's massive ice sheet melts during the summer is nothing new, but the size and speed of a recent thaw is. NASA scientists say a four-day melt in mid-July was the largest one in more than three decades of satellite observation.
A massive ice island broke off of the Petermann Glacier in Greenland. The iceberg, which contains enough fresh water to supply every American for half a year, is roughly twice the size of Manhattan in New York.
Norway's musk oxen are doing well today, but just a few years ago, when temperatures reached record highs, they died in unprecedented numbers. Now scientists say that may have been a warning of what is to come if the Earth's temperature continues to rise.
Amidst the arctic foxes and caribou, a small Canadian military outpost, CFS Alert, is the permanent home of about 70 people. Living there year round, it's the permanent community closest to the North Pole.
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