This story comes courtesy of California Watch. By Bernice Yeung Expanding a major Los Angeles freeway in an area known for traffic-related air ...

This story comes courtesy of California Watch. By Susanne Rust It’s well established that dirty, sooty air is no good for your lungs and prob...

Story comes courtesy of California Watch. By Bernice Yeung Southern Californians are among those at highest risk of death due to air pollution,...

Carma-no-geddon presented Los Angeles with a stunning vision of what it could be (and once was, I'm told).

Smog and soot levels have dropped significantly in Southern California over the last decade, but the Los Angeles region still has the highest levels o...

Clean air isn't just about caring for our environment; it's about tackling a root cause of many serious health issues such as cancer and asthma that are amplified by poor air quality.

LOS ANGELES — Six in 10 Americans – about 175 million people – are living in places where air pollution often reaches dangerous leve...