Buried Lakes Send Antarctica's Ice Slipping Faster Into the Sea, Study Shows
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Four large lakes found at the start of a rapidly moving ice stream offer the first direct link between the under-ice bodies of water and the rate at which ice flows into the ocean.
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A new study finds that rising temperatures are in danger of wiping out the king penguins of Antarctica
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The melting of Greenland's glaciers can slow as rapidly as it can accelerate, making the ice's effect on rising sea levels tough to forecast, a study says.
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Climatic changes appear to be destabilizing vast ice sheets of western Antarctica that had previously seemed relatively protected from global warming, researchers reported yesterday, raising the prospect of faster sea-level rise than current estimates.
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Icebergs that break off Antarctica and drift away turn out to be hotspots of life in the cold southern ocean, researchers report.
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The collapse of two Antarctic ice shelves is offering scientists a glimpse of rarely seen species&#8212;and at how pristine ocean ecosystems respond to sudden change.&#149; See photos >>
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Blog: British research shows glaciers moving faster than ever.
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Braving some of the world's coldest temperatures and wickedest winds, researchers are drilling ice cores in Antarctica to answer questions about global climate change.
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As early as the 1970s, several theorists and climate modelers predicted that global warming would cause ice shelves in the oceans around Antarctica to melt and release glaciers.
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Shrinking ice sheets and melting glaciers are making northern seas less salty, researchers say.
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Arctic sea ice in winter is melting far faster than before, two new NASA studies reported Wednesday, a new and alarming trend that researchers say threatens the ocean's delicate ecosystem.
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A sudden influx of freshwater from North America's ancient Lake Agassiz to the North Atlantic 8,200 years ago triggered a precipitous cooling of the region, scientists believe. Now they are trying to predict if and when a similar scenario might happen again.
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Sediments extracted from the Antarctic sea floor show the world's largest ice shelf has disintegrated and reappeared many times in the past.
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PROVIDENCE, RI - Scientists believe a 50-million-year record of the Earth&#39;s climate lies in an underwater mountain chain in the ice-clogged waters near the North Pole.
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Global warming is melting the Arctic ice faster than expected, and the world&#39;s oceans could rise by about a meter by 2100, swamping homes from Bangladesh to Florida, the head of a study said.
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Some of Antarctica's glaciers have accelerated their seaward march, suggesting that ocean levels might be irreversibly on the rise for centuries to come.
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Scientists have found that the ice in Greenland and the Arctic is melting so rapidly that most of it could be gone by the end of the century. Low-lying lands could be flooded and polar bears could go extinct, among other possibilities.