California greenhouse gas emissions dropped about 2.4% in 2022 — an encouraging sign that the state's carbon footprint is decreasing once again, even as the economy rebounds from the COVID-19 ...

The Supreme Court Takes Aim at California’s Right to Clean Air An environmental regulations case may potentially test Chief Justice John Roberts’s propensity for inventing novel legal ...

A California judge is allowing the state’s landmark carbon emissions disclosure requirements to move forward as planned—for now. U.S. District Judge Otis Wright II said Tuesday that he needs ...

The next president will have several ways to loosen California's sizable grip on auto regulations, but environmental groups ...

Other states can sign on to adopt California emission rules if they are approved by the federal government. Challenges to California’s authority to set vehicle emissions standards date back to ...

California has spearheaded the electric vehicle movement in the U.S. and it doesn't plan to slow down anytime soon. If ...