Together with Terry Callaghan, a researcher at the Royal Swedish Academy of Sciences, Margareta is the editor of the two chapters on snow and permafrost.
Earth Sciences
May 4, 2011
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Scientists tracking the annual maximum extent of Arctic sea ice said that 2011 was among the lowest ice extents measured since satellites began collecting the data in 1979. Using satellites to track Arctic ice and comparing ...
Earth Sciences
Mar 31, 2011
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(AP) -- The temperature is rising again in the Arctic, with the sea ice extent dropping to one of the lowest levels on record, climate scientists reported Thursday.
Environment
Oct 21, 2010
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The quickest, best way to slow the rapid melting of Arctic sea ice is to reduce soot emissions from the burning of fossil fuel, wood and dung, according to a new study by Stanford researcher Mark Z. Jacobson.
Earth Sciences
Jul 28, 2010
3
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Better research models of how ash is dispersed would greatly reduce the air traffic havoc wreaked in Europe since an Icelandic volcano began spewing a giant cloud of the toxic dust last week, an expert said on Sunday.
Earth Sciences
Apr 18, 2010
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(AP) -- Beijing had its coldest morning in almost 40 years and its biggest snowfall since 1951. Britain is suffering through its longest cold snap since 1981. And freezing weather is gripping the Deep South, including Florida's ...
Environment
Jan 6, 2010
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(AP) -- Only a squawk from a sandhill crane broke the Arctic silence - and a low gurgle of bubbles, a watery whisper of trouble repeated in countless spots around the polar world.
Environment
Aug 30, 2009
27
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Hot town, summer in the city. When it comes to air-quality advisories, city residents are no strangers, especially during the dog days of summer. But smog is made up of an array of air pollutants, including the mad hatter’s ...
Environment
Jul 15, 2009
1
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