Foreign ozone emissions lower U.S. air quality

When it comes to environmental impacts, no nation is an island. A recent study from the Nelson Institute for Environmental Studies at the University of Wisconsin-Madison finds that up to 15 percent of U.S. air pollution comes from Asian and European sources.

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<p><a href="http://www.physorg.com/news116784428.html">Foreign ozone emissions lower U.S. air quality</a></p> <p>When it comes to environmental impacts, no nation is an island. A recent study from the Nelson Institute for Environmental Studies at the University of Wisconsin-Madison finds that up to 15 percent of U.S. air pollution comes from Asian and European sources. </p>