This segment was made available on Friday, January 13th, 2006.

Tom Cahill

Ozone smog may very well be a thing of the past, according to recent reports from the federal Environmental Protection Agency.

But that doesn’t mean Californians can breathe a sigh of relief.

We sat down with Tom Cahill, professor emeritus of physics and atmospheric sciences at UC Davis, to talk about the past, present and future of California’s air quality.

According to Prof. Cahill:

California is a unique state. We have to take charge of our own air. We’re the only state in the nation that can set our own rules. And the state itself is in various pieces…We have to be more specific for each standard is designed to solve the problem efficiently.

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