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Alaska Department of Environmental Conservation v. Environmental Protection Agency

540 U.S. 461 · Decided January 21, 2004 · 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

Alaska Department of Environmental Conservation v. Environmental Protection Agency was decided on January 21, 2004 by a vote of 5–4. The Court affirmed the lower court's decision. Justice Ruth Bader Ginsburg 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
540 U.S. 461 · 124 S. Ct. 983 · 157 L. Ed. 2d 967 · 2004 U.S. LEXIS 820
Docket number
02-658
Decided
January 21, 2004
Argued
October 8, 2003
Decision type
Opinion of the Court (orally argued)
Disposition
Affirmed
Outcome for petitioner
The petitioning party did not receive a favorable disposition
Vote
5–4
Majority opinion
Ruth Bader Ginsburg
Opinion assigned by
John Paul Stevens
How the case arrived
Certiorari
Legal provision
Clean Air Act
Type of law
Federal statute
Decision direction (SCDB)
Liberal what this means

How the Justices voted

Full case caption

Alaska Department of Environmental Conservation v. Environmental Protection Agency et al.

SCDB identifiers: case 2003-026, docket 2003-026-01.

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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