Arctic sea ice 'faces rapid melt'
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The Arctic may be free of all summer ice by as early as 2040, new data from scientists suggests.
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The next report by the Intergovernmental Panel on Climate Change should deal with the "frightening" possibility that both Antarctic and Greenland ice sheets start melting at the same time, the chief U.N. climate scientist said Tuesday.
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More than 300 scientists from 15 countries, including Canada, have released a study that shows the pace of the Arctic ice melt is accelerating.
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The first thorough assessment of a decadeslong Arctic warming trend shows the region is undergoing profound changes, including sharp retreats of glaciers and sea ice, thawing of permafrost
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Atmospheric warming threatens to disrupt Arctic oil pipelines in the US and Russia as melting ice caps turn the permafrost into a ``sea of mud,&#39;&#39; an international scientific report said.
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PARIS - Arctic ice has shrunk to the lowest level on record, new satellite images show, raising the possibility that the Northwest Passage that eluded famous explorers will become an open shipping lane.
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WASHINGTON - Arctic sea ice melted to its lowest level ever, continuing a trend spurred by human-caused global warming, scientists said yesterday.
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Summer sea ice will probably recede 300 to 500 miles off Alaska's north coast by 2050, compared to the 1980s when ice packs were only 30 to 50 miles off the coast, and decrease to half the size. Mammals dependent on the sea ice, such as polar bears, and fishermen will suffer. Federal scientists compared computer simulations of how warming would affect sea ice with 20 years' of observations.
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Science & environment: If increased rate of melting continues, the summertime Arctic could be free of ice by 2030.
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Glaciers once held up by a floating ice shelf off Antarctica are now sliding off into the sea -- and they are going fast, scientists said on Tuesday.
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YELLOWKNIFE - The most comprehensive study of Arctic climate change ever made has some dramatic news for Canada&#39;s North. The report, which will be released next week, says that the most rapid climate change on earth is happening in the Arctic.
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British scientists find global warming is melting the ice of Antarctica faster than  previously thought.
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The Arctic ice cover will completely disappear in summer by the end of this century unless carbon dioxide emissions are significantly reduced, according to a scientific study to be released next week.
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A scientific scramble is under way to clarify whether the erosion of the worldâs most vulnerable ice sheets can continue to accelerate.
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Greenhouse gases have contributed to a gradual warming of the ecologically-fragile Arctic region, causing massive climate changes, including melting glaciers and sea ice, according to a soon-to-be-released environmental study.
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Antarctic glaciers are moving faster as they melt, bringing more ice into the oceans and causing sea levels to rise, according to a new study. By Stephen Leahy.
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EDMONTON -- Global warming is happening twice as fast in the Arctic as anywhere else and could cause everything from the extinction of polar bears to the flooding of large parts of Florida, says a report released yesterday.