LA, Other CA Cities Most Polluted In US | Sweetness & Light

LA, Other CA Cities Most Polluted In US Sweetness & Light: "A report by the American Lung Association
17 May 2009: Six out of ten Americans live in urban areas where air pollution can cause major health problems. While a new report for the American Lung Association acknowledges substantial progress against air pollution in many areas of the USA, it finds nearly every major city was still burdened by air pollution. Despite America’s growing “green” movement, the air in many cities became dirtier during the past 12 months. The research names Pittsburgh, Los Angeles and Bakersfield as the most polluted US cities."