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.
Read the opinion
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
- Issue (SCDB)
- Natural resources and environmental protection
- Issue area
- Economic Activity
- Legal provision
- Clean Air Act
- Type of law
- Federal statute
- Decision direction (SCDB)
- Conservative what this means
How the Justices voted
| Justice | Vote | Separate writing |
|---|---|---|
| Justice Antonin Scalia | Majority | Wrote an opinion |
| Justice Anthony M. Kennedy | Majority | |
| Justice Clarence Thomas | Concurrence | Wrote an opinion |
| Justice Ruth Bader Ginsburg | Dissent | |
| Justice Stephen G. Breyer | Dissent | |
| Chief Justice John G. Roberts Jr. | Majority | |
| Justice Samuel A. Alito Jr. | Majority | |
| Justice Sonia Sotomayor | Dissent | |
| Justice Elena Kagan | Dissent | Wrote an opinion |
Full case caption
Michigan v. Environmental Protection Agency
SCDB identifiers: case 2014-061, docket 2014-061-01.
Related decisions
Other cases on “Natural resources and environmental protection”
- Sturgeon v. Frost
- United States Army Corp of Engineers v. Hawkes Co., Inc.
- Util. Air Regulatory Group v. EPA
- EPA v. Eme Homer City Generation
- Doug Decker v. Northwest Environmental Defense Center;
- Los Angeles County Flood Control District Petitioner v. Natural Resources Defense Council, Inc.
Cases on the same legal provision: Clean Air Act
- West Virginia v. Environmental Protection Agency
- Oklahoma v. Environmental Protection Agency
- Environmental Protection Agency v. Calumet Shreveport Refining, LLC
- Engine Manufacturers Association and Western States Petroleum Association v. South Coast Air Quality Management District
- Pennsylvania v. Delaware Valley Citizens' Council for Clean Air
- Pennsylvania v. Delaware Valley Citizens' Council for Clean Air
Same Term, same area (Economic Activity)
- Jesinoski v. Countrywide Home Loans, Inc.
- T Mobile South, LLC v. City of Roswell
- Teva Pharms. USA, Inc. v. Sandoz, Inc.
- Hana Financial, Inc. v. Hana Bank
- M&g Polymers USA, LLC v. Tackett
- Nc Bd. of Dental Examiners v. FTC
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