Loss of sea ice could harm walrus
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Federal marine mammal experts in Alaska studying the effects of global warming on walrus, polar bears and ice seals warn there are limit to the protections they can provide.
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A study to be released this week will show that an endangered species of whales is under threat from a Royal Dutch/Shell-led energy project off Russia's Pacific coast, conservation group WWF said on Tuesday.
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If global warming continues unabated, melting ice could trigger a positive feedback loop that would cause sea ice to decline steadily for decades and then abruptly disappear.
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Global warming is melting the Arctic ice faster than expected, and the world's oceans could rise by about a meter (3 feet) by 2100, swamping homes from Bangladesh to Florida, the head of a study said on Tuesday.
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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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Global warming is heating the Arctic at a rapid pace - with impacts that could range from the disappearance of polar bears&#39; summer habitat by the century&#39;s end to a damaging rise in sea levels worldwide.
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Thousands of Antarctic penguin chicks could starve after being cut off by a giant iceberg, officials say.
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A simple sea creature could help to address the problem of global warming, a scientist claims.
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A large network of waterways helps carry ice from the center of Antarctica to the ocean, scientists say, in a finding that may help clarify how global warming will affect the world's sea levels.
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A decision on whether to protect Alaska's polar bears under the Endangered Species Act might not come before the government opens a major bear habitat to oil leases next week, though staff recommendations are completed, the U.S. Fish and Wildlife Service chief said Wednesday.
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Tens of thousands of Antarctic penguin chicks could starve to death in the next few weeks as a huge iceberg blocks access to coastal feeding grounds, a New Zealand official said today.
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Military exercises planned by  Australia and the United States next month off the Australian  coast could result in large-scale whale deaths or injuries, the  International Whaling Commission said.
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Ice threatened to trap a damaged Japanese whaling ship stranded off Antarctica, anti-whaling activists said on Monday, raising fears of an environmental disaster close to a major penguin colony.
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A marked decline in sea ice off Alaska's coast is not enough to take the drastic step of listing polar bears &#151; a species dependent on ice &#151; as threatened, critics said Thursday at the first of three public hearings on the proposal.
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Arctic regions are warming twice as fast as the rest of the world - a trend marked by melting glaciers, shrinking sea ice and climatic changes that are turning solid ground into swamps, exposing coastal villages to erosion and threatening wildlife.
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The unusually swollen tongue of a dead humpback whale may indicate that it perished after colliding with a ship in the waters of southeast Alaska, scientists said Monday.
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By Megan Holland, Anchorage Daily News, Alaska  Sep. 22--A grand jury has indicted two Alaska men on charges that they collected ivory and bone parts of walruses found washed up on state beaches, falsified documents, then illegally sold walrus parts for thousands of dollars.