Air Pollution

The clean air ballot initiative is a true California call to action: ambitious and forward-looking, focused on the well-being of all of our communities.

CalMatters is dedicated to explaining how state government impacts our lives. Your support helps us produce journalism that makes a difference. Donate now. It’s full speed ahead for zero-emission cars in California. The Golden State got the green light Wednesday to proceed with its nation-leading clean car program after the U.S. Environmental Protection Agency reinstated a waiver […]

To limit further damage from climate change and air pollution, we have to ensure all cars on the road in 2045 are free of emissions.

The California Air Resources Board will vote on regulations to phase out diesel-fueled units that would be replaced by zero emission units.

This year, California has the opportunity to pair record climate investments with an ambitious roadmap to meet our climate goals.

A look at one polluted region — the LA/Long Beach port communities — targeted for clean-air priority under California’s environmental justice law.

California's environmental justice law is supposed to clean the air for 15 hot spot communities, home to almost 4 million people. But after more than 4 years and $1 billion, it’s still impossible to say whether it's worked.

A landmark California environmental justice law was supposed to clean the air in 15 key communities, but it's hard to say if it's worked.

California’s air board enacted two first-of-their-kind smog rules for trucks and lawn equipment. They’ll cost billions but cut tons of emissions.

Gov. Newsom says he supports proposed rules on where new oil wells can go, plus additional pollution controls on existing wells.