Polar Winds Depleting Ozone, Affecting Climate Change, Study Says
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Strong winds in the upper atmosphere drew down a near-record amount of ozone-destroying gases last year, according to a new study, and such winds may become more frequent as Earth heats up.
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Scientists say changes in the earth&#39;s climate from human influences are occurring particularly intensely in the Arctic region, evidenced by widespread
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More than 50,000 scientists from 63 nations turned their attention to the world's poles Monday to measure the effects of climate change, using icebreakers, satellites and submarines to study everything from the effect of solar radiation on the polar atmosphere to the exotic marine life swimming beneath the Antarctic ice.
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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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By Stephen Leahy* - Tierramrica  TORONTO, Sep. 20, 2006 (IPS/GIN) -- Another giant ozone hole has opened up over the Antarctic, while evidence mounts that 20 years of international efforts have finally helped the atmosphere to start to heal itself.
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Two-thirds of the world's polar bears will be killed off by 2050 &#151; and the entire population gone from Alaska &#151; because of thinning sea ice from global warming in the Arctic, government scientists forecast Friday.
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PUNTA ARENAS, Chile -- The worst of the ozone hole has pulled back once more to Antarctica this southern spring, leaving behind a shadow of uncertainty for the people living at the bottom of the Americas.
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Carbon dioxide emissions from global warming are cooling and shrinking the outermost atmosphere, keeping orbiting spacecraft airborne longer but also increasing the threat that space junk poses to satellites, scientists reported Monday.
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A study of warming in the Arctic shows that gases from tailpipes and smokestacks are contributing to profound environmental changes.
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A four-year-long study of the Arctic climate confirms what many in Canada&#39;s North have been saying for years -- the Arctic is melting, and faster all the time.
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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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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 recent onslaught of hurricanes has prompted some media outlets to mention &quot;global warming&quot; as a possible cause, but a team of climate researchers set the record straight.
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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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Hurricanes feed on warm water, and a  study released on Monday shows a link between warmer ocean  temperatures and human use of fossil fuels, challenging  skeptics who blame them on natural climate cycles.
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EDMONTON - 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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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.