The Supreme Court agreed Monday to hear disputes against the Environmental Protection Agency and whether challenges to its plans must be brought in D.C. federal court.

In Monday’s orders, the justices announced they’ll hear Oklahoma v. EPA and PacifiCorp v. EPA, which deal with air quality plans surrounding pollution that travels across state borders.

Specifically, the justices will review if challenges related to the plan have to be brought in the U.S. Court of Appeals for the D.C. Circuit.

The third case, EPA v. Calumet Shreveport Refining, relates to EPA’s regulations on oil refineries. It also focuses on if the challenge must be reviewed in D.C. federal court instead of the conservative 5th U.S. Circuit Court of Appeals, located in Louisiana.

It took four justices to vote in favor of reviewing the disputes.

• Alex Swoyer can be reached at aswoyer@washingtontimes.com.