black carbon

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January 8, 2015

Epic survey finds regional patterns of soot and dirt on North American snow

University of Washington scientists published the first large-scale survey of impurities in North American snow. An almost 10,000-mile road trip showed that disturbed soil often mattered as much as air pollution for the whiteness of the snow.

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January 15, 2013

International study: Where there’s smoke or smog, there’s climate change

A new international assessment found that soot, or black carbon, is a major contributor to global warming — second only to carbon dioxide.

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