California’s sweeping new climate-disclosure mandates have triggered an escalating legal battle now arriving at the U.S. Supreme Court, with business groups asking to temporarily halt two state ...

On January 9, 2026, the Ninth Circuit heard oral argument in the consolidated appeals challenging California’s climate ...

The Trump administration is playing a leading role in litigation to stop climate action. Blockbuster legal fights over climate policy are on the horizon this year as the Trump administration and ...

The agency is close to finalizing its rollback of the endangerment finding. Legal experts say its success could hinge on these details.

President Donald Trump's administration is finalising its repeal of a foundational scientific determination that underpins the US government's authority to regulate greenhouse gas emissions, with an ...