News tagged with polar ice

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Study warns of mercury in Arctic

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, ...

dateMay 05, 2011 in Environment
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Arctic sea ice flights near completion

(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 ...

dateApr 08, 2011 in Earth Sciences
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Wheels up for extensive survey of Arctic ice

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 ...

dateMar 15, 2011 in Earth Sciences
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Polar ice adding more to rising seas: study

(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 ...

dateMar 09, 2011 in Earth Sciences
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Polar bear's long swim illustrates ice melt

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 ...

dateFeb 03, 2011 in Plants & Animals
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Polar bears can't eat geese into extinction

As the Arctic warms, a new cache of resources -- snow goose eggs -- may help sustain the polar bear population for the foreseeable future. In a new study published in an early online edition of Oikos, resear ...

dateNov 04, 2010 in Ecology
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Crew circles North Pole in one summer

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.

dateOct 14, 2010 in Earth Sciences
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