Climatic warming causes glaciers to fall, raising sea levels
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PASADENA - When climate warming causes an ice shelf to break up, glaciers surge from land into the ocean and can cause the sea level to rise, according to two NASA-funded reports.
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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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Climate scientists agree there have been a lot of strong hurricanes lately. They agree that warmer seas have given these storms some extra punch. But they disagree how much global warming is to blame.
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The weight of evidence to suggest that some Antarctic glaciers are melting at an increasing pace continues to build. The West Antarctic Ice Sheet (WAIS) has been melting naturally
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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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Scientists say changes in the earth's climate from human influences are occurring particularly intensely in the Arctic region, evidenced by widespread melting of glaciers, thinning sea ice and rising permafrost temperatures.
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Shrinking ice sheets and melting glaciers are making northern seas less salty, researchers say.
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Negative changes include a shorter season for oil and gas development due to soggy tundra and rising seas due to the melting of ice sheets.
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Temperatures have risen more than two degrees on average over the past 10 years, and average snow levels have dropped 8.8 inches over the same period, and global warming is the reason why, say results from a study measuring conditions over a 40-year period.
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Climate scientists agree there have  been a lot of strong hurricanes lately. They agree that warmer  seas have given these storms some extra punch. But they  disagree how much global warming is to blame.
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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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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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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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Global warming may be melting glaciers and forcing polar bears onto land, but doctors warn it could also affect your heart. "If it really is a few degrees warmer in the next 50 years, we could definitely have more cardiovascular disease," said Dr. Karin Schenck-Gustafsson, of the department of cardiology at Sweden's Karolinska Institute.
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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.
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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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Two studies say global warming is responsible for a shifting coastline and visits from Arctic seals.