Scientists identify aerosols making up smoggy haze over Mexico City

LOS ANGELES, Sept. 3 (Xinhua) -- U.S. scientists examining smog over the Mexico City have found that agricultural and cooking fires along with burning industrial waste contribute a surprising amount of pollution, according to a press release on Wednesday. The scientists from the University of California in San Diego (UCSD) and six other institutions have sorted through the pall that hangs over the city to... [read full story]