The California Air Resources Board approved a climate change scoping plan that charts a course for the state to achieve carbon neutrality by 2045.

California regulators released an updated net zero proposal that Gov. Gavin Newsom says will unleash an "economic transformation" in the state.

Leaders from the three West Coast states and the Canadian province of British Columbia signed an agreement pledging to cooperate on climate change measures.

Gov. Gavin Newsom recently signed six air pollution reduction measures, bringing the total of climate-related bills enacted this legislative session to 40.

The governors of Washington, Oregon and California and the premier of British Columbia discussed the need for cross-border efforts to address climate change.

CAISO CEO Elliot Mainzer warned that this week poses the greatest risk of rolling outages this summer as record heat engulfs large parts of California.

On the last night of the legislative session, lawmakers passed bills to extend the life of Diablo Canyon and increase GHG reduction and clean energy targets.

Gov. Gavin Newsom proclaimed a state of emergency to increase energy production and reduce demand in response to a heat wave hitting California.

CARB adopted regulations that will require all new cars sold in the state to be zero-emission or plug-in hybrid by 2035, a trailblazing move, the agency says.

The movement to keep PG&E's Diablo Canyon nuclear plant open 10 years past its planned retirement date in 2025 has gained momentum and essential support.