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Dirty air fosters precipitation extremes http://apocadocs.com/s.pl?1321304693 
 
Even clouds can suffer from inhaling air pollution, a new study finds, resulting in extreme rainfall patterns that appear to be altering climate across the globe.
Farmers, municipal water authorities and others who depend on rainfall prefer moderate, dependable precipitation. But as soot and other minute airborne particles -- a class of pollutants known as aerosols -- get sucked into clouds, the pollution can dramatically alter when clouds deposit rain. The discovery emerged from analyzing every one of thousands of clouds passing over federal monitoring instruments at a site in the western United States over a 10-year period....
The study also reveals unprecedented magnitudes of impacts, says coauthor Daniel Rosenfeld of the Hebrew University of Jerusalem.  
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[Read more stories about: 
airborne pollutants, contamination, weather extremes] 
 
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'Doc Jim says:
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Somebody get those poor clouds some protection! 
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