Global mercury emissions could grow by 25 percent by 2020 if no action is taken to control them, posing a threat to polar bears, whales and seals and the Arctic communities who hunt those animals for food, ...
May 05, 2011
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(PhysOrg.com) -- Operation IceBridge, NASA's airborne mission to monitor polar ice, is amid its fourth week of flights for the Arctic 2011 campaign. Researchers and crew successfully completed flights from ...
Apr 08, 2011
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(PhysOrg.com) -- By studying fossilized mollusks from some 3.5 million years ago, UCLA geoscientists and colleagues have been able to construct an ancient climate record that holds clues about the long-term ...
Apr 08, 2011
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Researchers and flight crew arrived in Thule, Greenland, on Monday, March 14, for the start of NASA's 2011 Operation IceBridge, an airborne mission to study changes in Arctic polar ice. This year's plans include ...
Mar 15, 2011
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(PhysOrg.com) -- The Greenland and Antarctic ice sheets are losing mass at an accelerating pace, according to a new NASA-funded satellite study. The findings of the study -- the longest to date of changes ...
Mar 09, 2011
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In one of the most dramatic signs ever documented of how shrinking Arctic sea ice impacts polar bears, researchers at the U.S. Geological Survey in Alaska have tracked a female bear that swam nine days across ...
Feb 03, 2011
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An extraordinary underground observatory for subatomic particles has been completed in a huge cube of ice one kilometre on each side deep under the South Pole, researchers said.
Dec 23, 2010
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Climate change is pushing Arctic mammals to mate with cousin species, in a trend that could be pushing the polar bear and other iconic animals towards extinction, biologists said.
Dec 16, 2010
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There is no "tipping point" beyond which climate change will inevitably push the Arctic ice cap into terminal melt off, according to a study released Wednesday.
Dec 15, 2010
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Polar bears were added to the threatened species list nearly three years ago as their icy habitat showed steady, precipitous decline because of a warming climate. But it appears the Arctic icons aren't necessarily ...
Dec 15, 2010
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A trimaran sailing boat circled the North Pole in a single summer season, a feat made possible by global warming and the melting of the Arctic ice cap, the boat's international crew said Thursday.
Oct 14, 2010
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(PhysOrg.com) -- Freshwater is flowing into Earth's oceans in greater amounts every year, a team of researchers has found, thanks to more frequent and extreme storms linked to global warming. All told, 18 ...
Oct 04, 2010
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