In 1947, decades before the federal Clean Air Act, California’s leaders began regulating the causes of harmful air pollution.

Completion of the land-back conservation deal along the lower Klamath River is being called the largest in California history ...

Southern California air quality leaders are stepping away from a proposal to phase out gas-powered furnaces and water heaters ...

This is part of a broader mission from iNaturalist and other nature-centric citizen science apps such as eBird and Zooniverse ...

There’s an old Hollywood joke where a screenwriter goes to pitch a romantic comedy, and the producer listens in silence, then ...

Two bills passed by the Senate this week would drive major changes to energy markets and regulation in California.

Asthma can block airways, making it hard to breathe, and in severe cases can cause death if not treated quickly.

A recent administrative law judge’s decision paved the way for State Farm to significantly increase homeowners’ insurance ...

SACRAMENTO, California — California Supreme Court justices heard arguments for and against the California Public Utilities ...

California’s rooftop solar industry faces renewed pressure as the state’s supreme court takes up a legal challenge to its controversial NEM 3.0 policy.

University of California staff filed suit against Trump and federal agencies in what they hope will be a first-of-its-kind ...