CaseTrail

Natural resources and environmental protection: Supreme Court decisions

Every U.S. Supreme Court decision from the 1946 through 2025 Terms that the Supreme Court Database classifies under the issue “Natural resources and environmental protection,” part of the Economic Activity area.

127decisions
72%favorable to the petitioner
50%unanimous
2altered precedent or struck a law

Decisions by decade

1950s5
1960s7
1970s39
1980s25
1990s10
2000s20
2010s15
2020s6

Most majority opinions

Legal provisions most often involved

Clean Water Act (Federal Water Pollution Control Act)27
Clean Air Act14
National Environmental Policy Act13
Administrative Procedure Act or Administrative Orders Review Act4
30 U.S.C. § 223
43 U.S.C. § 6663
42 U.S.C. § 96072
43 U.S.C. § 3152

All 127 decisions, newest first

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