Smog and Sunshine

A stirring account of one of our greatest environmental success stories: cleaning up Southern Californias air. Los Angeles and smog have been synonymous for decades. From the 1940s through the 1980s, children breathed air so heavy with lead that their blood was poisoned with it. In 1970 officials declared smog alerts on 235 days. But the last smog alert happened in 2003, and lead has virtually dis...