D.C. Circuit
D.C. Circuit

The U.S. Supreme Court is hearing arguments on a landmark case that could determine whether the Environmental Protection Agency (EPA) has the authority to broadly interpret the Clean Air Act…

A coalition of 22 states and seven local governments on Aug. 13 filed a lawsuit against the Environmental Protection Agency (EPA) over its Affordable Clean Energy (ACE) rule, which the…

The Environmental Protection Agency (EPA) has issued a final Affordable Clean Energy (ACE) rule to formally replace the Obama administration’s controversial Clean Power Plan (CPP). Like the CPP, the June 19–issued…

The Environmental Protection Agency (EPA) confirmed it has submitted proposed changes to the Mercury and Air Toxics Standards (MATS) to the White House for review, despite urging by the industry…

Seventeen states have asked the U.S. Court of Appeals for the D.C. Circuit to reject the Trump administration’s efforts to further delay the court’s decision on legal challenges to the Clean…