Which Way, L.A.?

Is the Air in Los Angeles as Clean as It Looks?

In the past 30 years, controls on air pollution from cars, factories and other sources have improved air quality in the smog capitol of America, despite LA's massive growth. But new research shows that some of the efforts to make things better might have been making them worse. How well are pollution-control agencies doing their jobs? Is better air in competition with job creation from continued economic expansion? We get a variety of perspectives from journalists, business advocates and air-quality controllers, including a former spokesperson for the Air Quality Management District, who resigned because he thought the AQMD was no longer doing its job.