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Michigan v. Environmental Protection Agency

576 U.S. 743 · Decided June 29, 2015 · Supreme Court of the United States

Record summary. This page is generated from the Supreme Court Database’s coded data about the case. It describes who decided what, not the Court’s reasoning. Read the opinion itself before relying on it. Not legal advice.

At a glance

Michigan v. Environmental Protection Agency was decided on June 29, 2015 by a vote of 5–4. The Court reversed the lower court's decision and remanded the case. Justice Antonin Scalia wrote the opinion of the Court. SCDB classifies its main issue as “Natural resources and environmental protection” in the Economic Activity area.

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Case details

Citations
576 U.S. 743 · 135 S. Ct. 2699 · 192 L. Ed. 2d 674 · 2015 U.S. LEXIS 4256
Docket number
14-46
Decided
June 29, 2015
Argued
March 25, 2015
Court era
Roberts Court
Decision type
Opinion of the Court (orally argued)
Disposition
Reversed and remanded
Outcome for petitioner
The petitioning party received a favorable disposition
Vote
5–4
Majority opinion
Antonin Scalia
Opinion assigned by
John G. Roberts Jr.
How the case arrived
Certiorari
Legal provision
Clean Air Act
Type of law
Federal statute
Decision direction (SCDB)
Conservative what this means

How the Justices voted

Full case caption

Michigan v. Environmental Protection Agency

SCDB identifiers: case 2014-061, docket 2014-061-01.

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Cases on the same legal provision: Clean Air Act

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Source: Supreme Court Database, 2026 Release 01 (data file dated September 8, 2026). Imported into CaseTrail November 5, 2026. Coverage: decisions from the 1946 through 2025 Terms. Methodology · Report an error