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East Asia's Dirty Air Pollutes North America

Article: East Asia's Dirty Air Pollutes North America

GREENBELT, Maryland, March 17, 2008 (ENS) – Close to 15 percent of the air pollution over the western United States and Canada originates in East Asia, according to NASA researchers using the latest, most accurate satellite sensors. Their study offers the first measurement-based estimate of the amount of pollution from East Asian forest fires, urban…

Human Pollution Drives Weekday Southeast Storms

Article: Human Pollution Drives Weekday Southeast Storms

GREENBELT, Maryland, February 2, 2008 (ENS) – Summertime storms in the southeastern United States drop more rainfall midweek than on weekends, and NASA scientists say air pollution from human activities, such as emissions from traffic, businesses and factories, is likely driving that trend. The link between rainfall and the day of the week is evident…