Rise In Smog In Western U.S. Is Blamed On Asia's Air Pollution
By tripling their emission of pollutants, Asian countries have contributed as much as 65 percent of a rise in ozone levels in the western U.S., scientists say.
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Health & Science - March 3, 2017 at 10:21PM - Rise In Smog In Western U.S. Is Blamed On Asia's Air Pollution
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