epa-authority
6 cases — ← All topics
| Case | Title | Lower Court | Docketed | Status | Flags | Tags | Question Presented |
|---|---|---|---|---|---|---|---|
| 25-668 | Jeffrey Andrews v. United States | Second Circuit | 2025-12-09 | Pending | Amici (1)Response RequestedResponse Waived | clean-water-act environmental-enforcement epa-authority sackett-decision surface-water-connection wetlands-regulation | Was the Second Circuit correct to uphold Clean Water Act authority over wetlands that are not 'as a practical matter indistinguishable' from covered w… |
| 24A95 | West Virginia, et al. v. Environmental Protection Agency, et al. | District of Columbia | 2024-07-26 | Presumed Complete | Amici (1) | administrative-overreach clean-air-act environmental-policy epa-authority greenhouse-gas-emissions power-plant-regulation | Whether the EPA exceeded its statutory authority under the Clean Air Act in promulgating greenhouse gas emissions regulations for power plants that su… |
| 23-1067 | Oklahoma, et al. v. Environmental Protection Agency, et al. | Tenth Circuit | 2024-04-01 | Judgment Issued | Amici (4)Relisted (4) | circuit-split clean-air-act d-c-circuit epa-action epa-authority federal-register judicial-review regional-circuit state-implementation-plan | Whether a final action by EPA taken pursuant to its Clean Air Act authority with respect to a single state or region may be challenged only in the D.C… |
| 21-454 | Michael Sackett, et ux. v. Environmental Protection Agency, et al. | Ninth Circuit | 2021-09-24 | Judgment Issued | Amici (49)Relisted (3) | civil-rights clean-water-act due-process epa-authority navigable-waters rapanos-test rapanos-v-united-states significant-nexus wetlands-jurisdiction | Should Rapanos be revisited to adopt the plurality's test for wetlands jurisdiction under the Clean Water Act? |
| 21-312 | Volkswagen Aktiengesellschaft, et al. v. Ohio, ex rel. Dave Yost, Attorney General | Ohio | 2021-08-31 | Denied | Amici (4) | clean-air-act emission-standards epa-authority federal-regulation nationwide-updates preemption state-regulation vehicle-emissions vehicle-regulation | Whether the Clean Air Act preempts state and local governments from regulating manufacturers' post-sale, nationwide updates to vehicle emission system… |
| 20-1530 | West Virginia, et al. v. Environmental Protection Agency, et al. | District of Columbia | 2021-05-04 | Judgment Issued | Amici (8)Relisted (4) | administrative-law clean-air-act congressional-authority congressional-power energy-policy environmental-protection-agency environmental-regulation epa-authority federalism separation-of-powers | Did Congress constitutionally authorize the EPA to issue significant rules without limits under the Clean Air Act? |