Kleinman quoted in Newsweek article on air pollution

In an April 23rd Newsweek article, AirUCI faculty Mike Kleinman is asked to comment on a study by the American Lung Association showing that nearly half the U.S. population is living with dangerous levels of air pollution.  "Air-quality regulations in the U.S. over the past 20 years are associated with reduced levels of most air pollutants, nationwide. Significant reductions in power plant and automobile emissions were the driving force. Recently, the trend for reduced PM levels has reversed in many areas because we are now subject to more and more intense wildfires, which produce immense numbers of PM particles, which contain toxic combustion products," said Mike.  Read the article