Arctic Melting Fast; May Swamp US Coasts by 2099
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The consequences of such a massive meltdown of northern ice would be dramatic, according to the study. â¢ Low-lying coastal areas in Florida and Louisiana could be flooded by the sea.
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The energy source of the future may be stores of methane cached beneath the ocean floor and under Arctic permafrost, scientists say.
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Global warming is heating the Arctic  almost twice as fast as the rest of the planet in a thaw that  threatens millions of livelihoods and could wipe out polar  bears by 2100, an eight-nation report said on Monday.
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Description: A study released Monday that says that global warming is particularly intense in the Arctic. The melting of glaciers, thinning sea ice and changes in permafrost have acute impacts on Arctic residents
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By SETH BORENSTEIN WASHINGTON - New research is raising concerns that global warming may be triggering a self-perpetuating climate time bomb trapped in once-frozen permafrost.
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The Arctic is being hit by melting ice, hotter air and dying wildlife, a US report on the impact of global warming says.
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Scientists fear Greenland ice cap melting so quickly it is triggering earthquakes.
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NEW YORK The first thorough assessment of a decades-long Arctic warming trend shows the region is undergoing profound changes, including sharp retreats of glaciers and sea ice, thawing of permafrost, and shifts in ocean and atmospheric conditions that are
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The ammonia and crystalline ice would be destroyed in about 10 million years,&quot; Jewitt says. &quot;This implies Quaoar gets recoated on that time scale or faster.
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The Earth's rapid warming has pushed temperatures to their hottest level in nearly 12,000 years and within a hairbreadth of a million years, a study by the US space agency showed.
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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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Global warming is causing the Arctic ice-cap to melt at such an unprecedented rate that by the summer of 2070 it may have no ice at all, according to the most comprehensive study carried out on global climate change in the region.
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Are we really heading for an ice-free Arctic? More than 50,000 researchers hope to find an answer during a massive study of how global warming and other phenomena are changing the coldest parts of the Earth &#151; and what that means for the rest of it.
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EDMONTON - A comprehensive scientific study of the Arctic climate has confirmed what Canadian Dene and Inuit have been saying for years: the North is melting, and faster all the time.
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New studies project that the Arctic Ocean could be mostly open water in summer by 2040 Â several decades earlier than previously expected.
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Not all of the Arctic thaw is caused by man. Nature plays a role, too, but that doesn't let us off the hook for the damage we've done.
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Arctic ice is melting fast, much faster than anticipated, leading some scientists to believe we may have already passed the tipping point as far as global warming is concerned.