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23 Congressional Research Service reports and publications

Waters of the United States (WOTUS): Frequently Asked Questions About the Scope of the Clean Water Act
2025-06-23 · Reports · R47408 · HTML available · PDF available
Cooperative Federalism and the Clean Air Act: EPA’s Good Neighbor Interstate Air Pollution Rule
2025-05-08 · Posts · LSB11309 · HTML available
Clean Water Act Section 401: Overview and Recent Developments
2025-02-07 · Reports · R46615 · HTML available · PDF available
Responses to Midnight Rulemaking: Legal Issues
2025-01-17 · Posts · LSB10566 · HTML available · PDF available
Examining PFAS as Hazardous Substances
2024-03-20 · Testimony · TE10093 · HTML available · PDF available
Supreme Court to Consider Request to Stay EPA’s Good Neighbor Interstate Air Pollution Rule
2024-01-24 · Posts · LSB11107 · HTML available · PDF available
Supreme Court Term October 2022: A Review of Selected Major Rulings
2023-09-12 · Reports · R47689 · HTML available · PDF available
Supreme Court Narrows Dormant Commerce Clause and Upholds State Animal Welfare Law
2023-08-31 · Posts · LSB11031 · HTML available · PDF available
Supreme Court Narrows Federal Jurisdiction Under Clean Water Act
2023-06-21 · Posts · LSB10981 · HTML available · PDF available
The Major Questions Doctrine
2022-11-02 · Resources · IF12077 · HTML available · PDF available
Supreme Court Addresses Major Questions Doctrine and EPA’s Regulation of Greenhouse Gas Emissions
2022-07-12 · Posts · LSB10791 · HTML available · PDF available
Redefining Waters of the United States (WOTUS): Recent Developments
2022-07-08 · Reports · R46927 · HTML available · PDF available
The Supreme Court’s “Major Questions” Doctrine: Background and Recent Developments
2022-05-17 · Posts · LSB10745 · HTML available · PDF available
Supreme Court Revisits Scope of “Waters of the United States” (WOTUS) Under the Clean Water Act
2022-03-11 · Posts · LSB10707 · HTML available · PDF available
Congress’s Delegation of “Major Questions”: The Supreme Court’s Review of EPA’s Authority to Regulate Greenhouse Gas Emissions May Have Broad Impacts
2021-12-07 · Posts · LSB10666 · HTML available · PDF available
What’s Next for WOTUS: Recent Litigation and Next Steps in Redefining “Waters of the United States”
2021-10-07 · Posts · LSB10646 · HTML available · PDF available
Title I of the Toxic Substances Control Act (TSCA): A Summary of the Statute
2021-07-20 · Reports · R45149 · HTML available · PDF available
Supreme Court Clarifies CERCLA Provisions for Recouping Cleanup Costs
2021-06-16 · Posts · LSB10609 · HTML available · PDF available
Agency Use of Guidance Documents
2021-04-19 · Posts · LSB10591 · HTML available · PDF available
Liability Under the Comprehensive Environmental Response, Compensation, and Liability Act (CERCLA)
2021-03-12 · Resources · IF11790 · HTML available · PDF available
Agency Rescissions of Legislative Rules
2021-02-08 · Reports · R46673 · HTML available · PDF available
Judicial Review of Mercury and Air Toxics Regulations
2020-08-17 · Resources · IF11622 · HTML available · PDF available
When One Door Closes, Another One Opens: Supreme Court Ruling Restricts Challenges to CERCLA Cleanup But Could Expand State-Law Claims
2020-07-09 · Posts · LSB10513 · HTML available · PDF available