Oklahoma v. EPA

Decided June 18, 2025. Clarence Thomas delivered the opinion of the Court.

Docket 23-1067 · 605 U.S. 609 · Cited 3 times

Under the Clean Air Act, EPA’s disapprovals of the Oklahoma and Utah state implementation plans are locally or regionally applicable actions reviewable in a regional court of appeals. See 42 U. S. C. §7607(b)(1).

The Court’s statement of the holding, from the opinion’s syllabus. The syllabus is prepared by the Reporter of Decisions and is not part of the opinion of the Court — read the official opinion for authority.

Read the official opinion (PDF, supremecourt.gov) (opens primary source in a new tab)

Clarence Thomas’s profile · All opinions since October Term 2017 · The Supreme Court

Source: Supreme Court of the United States, slip opinions (2025). Citation count from the Free Law Project’s CourtListener bulk data. Data last verified 2026-07-02. Informational only; verify against the primary source before relying. Not a consumer report (FCRA).