Sixty percent of Americans Live Where Pollution "Reaches Dangerous Levels"

The effective manner in which the US has dealt with air pollution in cities since the passage of the Clean Air Act is a point of pride for environmentalists as well as legislators. But that's not to say that pollution doesn't persist in many parts of the nation -- far from it. One recent report found that a staggering 175 million Americans -- 6 out of 10 people -- live in areas where particulate pollution reaches dangerous levels.

Article continues: 60% of Americans Live Where Pollution "Reaches Dangerous Levels"