Arctic ozone may drop to new low
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Scientists say the coming weeks could see the most severe thinning of the ozone layer over northern Europe since records began.
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Arctic ice coverage has receded this week to record lows, the European Space Agency said, raising the prospect of greater maritime traffic through a long-sought waterway known as the Northwest Passage.
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Global warming in the Arctic is happening now, warns the most comprehensive scientific report to date. The reports concludes that the northern ice cap is warming at twice the global rate and that this will lead to serious consequences for the planet.
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With temperatures in the Arctic rising at twice the rate of elsewhere, the ice cover there will within the next 100 years completely disappear in summer and the biodiversity will change dramatically, according to a scientific study published this week.
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An international team of scientists says the Arctic is warming much more rapidly than previously known because of the burning of fossil fuels around the world.
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Shrinking ice sheets and melting glaciers are making northern seas less salty, researchers say.
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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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By Ian Hoffman, STAFF WRITER  SACRAMENTO -- Scientists say bits of air pollution as small as a thousandth of a hair's width appear to be reducing rain and snowfall in the Sierra, Cascades and Rockies, potentially adding to threats of water shortages tied to global warming.
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The Arctic is warming rapidly, which in turn is affecting global climate, according to an ACIA assessment to be released next week.
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The fate of many key Arctic species could be determined by the thinning of sea ice, according to the Arctic Climate Impact Assessment.
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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 _ ...Comment
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Science & environment: If increased rate of melting continues, the summertime Arctic could be free of ice by 2030.
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EDMONTON (CP) - 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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Lower summer temperatures and more winter snowfall could be contributing to glacier growth, a surprising find that may shed light on the regionally varying effects of global warming.
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Ice cover in the Arctic Ocean, long held to be an early warning of a changing climate, has shattered the all-time low record this summer, according to scientists from the National Snow and Ice Data Center in Boulder.
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PARIS - Arctic ice has shrunk to the lowest level on record, new satellite images show, raising the possibility that the Northwest Passage that eluded famous explorers will become an open shipping lane.
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Scientists present one of the most dramatic forecasts for the disappearance of Arctic summer sea-ice.