Los Angeles County legislators and LA Metro leaders readied for the start of California Clean Air Day and Southern California ...

California repeals its electric truck sales mandate following a Senate vote to block the state's zero-emission vehicle rules. Governor Newsom plans to challenge the decision, which threatens ...

Nearly nine months after devastating fires in Los Angeles, some residents are still unable to return to their homes as tests show that their houses are contaminated with heavy metals, including lead, ...

A report released Thursday found that series of weaknesses, including "outdated policies, inconsistent practices and ...

LA County’s 132-page wildfire report cites outdated policies and poor communication but avoids assigning blame.

Experts with the Regional Air Quality Counsel say better educated residents may take partial credit for cleaner air quality on the Front Range, but work remains.

An independent report on the January disaster found that emergency alerts were hampered by flawed policies, aging equipment ...

US officials have blamed Canada for not doing enough to stop its wildfire smoke from wafting south. Climate experts say it’s ...

A new tool from Climate TRACE allows people in the world’s largest metros to track their air pollution exposure and who’s ...

Every federal dollar spent to cut emissions has paid back an estimated nine dollars in health and environmental benefits. Cleaner air meant fewer asthma attacks, fewer hospital visits, and more days ...

Utilities and fossil fuel companies supported proposals to repeal air pollution and greenhouse gas regulations for power ...