The U.S. Supreme Court held that the CAA displaces any federal common law…

The Fourth Circuit held that the Tax Injunction Act does not bar the owner…

A California court ordered the California Air Resources Board to set aside…

The D.C. Circuit denied a petition for review challenging EPA's decision granting California a…

A California court ordered the California Air Resources Board (CARB) to set aside its "functional equivalent document" that evaluates the environmental consequences of its climate change…

A California court issued a tentative ruling that would require the California Air Resources Board to set aside its "functional equivalent document" that evaluates the environmental…

The Court held that the U.S. Environmental Protection Agency (EPA) has the statutory authority to regulate greenhouse gases (GHGs) from new motor vehicles. The case arose after private…