His experience on the oil field fueled a lifetime of climate activism for the actor—including his strong advocacy for clean ...

The California Air Resources Board administers its own state-level greenhouse gas reporting program that in some ways exceeds ...

SACRAMENTO, Calif. -- The fate of a key California climate program Gov. Gavin Newsom has championed as a crucial tool to ...

State’s fire agency is greenwashing its industrial logging side hustle, while raising carbon emissions — and fire risk ...

Inland farmworkers, construction workers, emergency responders and those employed in transportation also are at high risk of ...

Lauren Sanchez will take the helm at the state's top air regulator as California battles Trump in Washington and affordability questions at home.

California’s climate lawsuit is a misguided attempt to stifle energy production using unsound legal techniques and ignoring the reality of lower emissions.

Frustrated with the lack of climate action, a high-school student launched Karbon Economics to explore systems that can shape ...

From tourist taxes to polluter fees, states seek funding solutions to deal with the massive price tag of a warming world.

Here's what the the Legislature passed last week — on electric bills, renewable energy, oil refineries and more.

This would represent some of the country’s most costly consequences of a warming climate by mid-century, researchers say.