Top 25 cities for clean air; Los Angeles most polluted
Thursday, April 27th, 2006“People in the U.S. are breathing cleaner air than a year ago, but there’s still plenty of room for improvement. So says the American Lung Association’s (ALA) ‘State of the Air 2006.’ The annual report focuses on particle pollution (soot) in the air, as well as ozone levels (smog). Last year’s winners and losers for […]