Arctic meltdown gathers speed
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global average projected by UN reports. Siberia and Alaska have already warmed by 2-3 C since the 1950s. outweighed by threats to indigenous peoples and the habitats of animals and plants.
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Scientists fear Greenland ice cap more quickly than expected, and triggering earthquakes.
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The Arctic ice cap is melting faster than scientists had expected and will shrink 40 percent by 2050 in most regions, with grim consequences for polar bears, walruses and other marine animals, according to government researchers.
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An accelerating thaw of the Arctic may open vast regions for oil and gas exploration but that brings worries of spills in the fragile environment, experts said Thursday.
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Some of Antarctica&#39;s glaciers are melting faster than snow can replace them, enough to raise sea levels measurably, scientists have reported.
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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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Northern rivers are pouring more fresh water into the Arctic Ocean, UK researchers say.
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The Arctic is under increasing stress from warming temperatures as shrubs colonize the tundra, changing wildlife habitat and local climate conditions, researchers said Wednesday.
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Up and down the icy spine of South America, the glaciers are melting, the white mantle of the Andes Mountains washing away at an ever faster rate.
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Scientists have worries about the Arctic warming as they have determined that the ice in Greenland and the Arctic is melting too rapidly .
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The burning of fossil fuels has contributed to warming in the Arctic that is much faster and more dramatic than scientists previously believed at nearly twice the rate of the rest of the world, a new international report concludes.
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The four million inhabitants of the Arctic will have to change their way of life if warming trends in the region continue apace, leaders have warned.
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Scientists try to figure out how far off the next ice age is.
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According to the Arctic Climate Impact Assessment, the &quot;Arctic climate is now warming rapidly and much larger changes are projected.
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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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A study of warming in the Arctic shows that gases from tailpipes and smokestacks are contributing to profound environmental changes.