No. 20-1530October Term 2021Decided Jun 30, 2022
West Virginia v. EPA
This case examines whether the Environmental Protection Agency has the authority under the Clean Air Act to regulate greenhouse gas emissions by mandating a shift in the nation's electricity generation mix.
Case status
- Current stage
- Decided
- Latest event
- Decision released Jun 30, 2022
- What it's about
This case examines whether the Environmental Protection Agency has the authority under the Clean Air Act to regulate greenhouse gas emissions by mandating a shift in the nation's electricity generation mix. The Supreme Court ruled that the EPA lacks this broad authority without clear congressional authorization under the major questions doctrine.
Question presented
Does the Environmental Protection Agency have the authority to regulate greenhouse gas emissions in virtually any industry, so long as it considers cost, non-air impacts, and energy requirements?
- Case path
United States Court of Appeals for the District of Columbia Circuit / Decision released Jun 30, 2022
- Area
Administrative Law
Related cases
Grounding
- Grounding
- Primary-source trail available.
- Note
- Plain-English explainer. Official filings and opinions remain authoritative.
- Checked
- Apr 30, 2026
- Method
- Methodology