In episode 248 of America Adapts, host Doug Parsons is joined by Professor Mark Nevitt of Emory University School of Law to unpack the repeal of the Clean Air Act's Endangerment Finding and what it means for climate governance in the United States. Long considered the legal backbone of federal climate regulation, its rescission raises fundamental questions about agency authority, the role of the courts, and the durability of federal climate policy. Mark explains the legal theory behind the repeal, how it intersects with Supreme Court precedent, and ...
In episode 248 of America Adapts, host Doug Parsons is joined by Professor Mark Nevitt of Emory University School of Law to unpack the repeal of the Clean Air Act's Endangerment Finding and what it means for climate governance in the United States. Long considered the legal backbone of federal climate regulation, its rescission raises fundamental questions about agency authority, the role of the courts, and the durability of federal climate policy. Mark explains the legal theory behind the repeal, how it intersects with Supreme Court precedent, and what likely comes next in federal court. The conversation also explores the practical implications of regulatory instability — from increased climate litigation to the shifting balance between federal, state, and local responsibility. For listeners working in adaptation, public policy, infrastructure, law, or risk management, this episode offers a clear look at how legal shifts at the federal level can reshape the broader climate landscape — and why adaptation efforts must continue regardless of political volatility.
Transcript for this episode here.
Key Themes Covered in This Episode
- What the Endangerment Finding actually did under the Clean Air Act
- Why Massachusetts v. EPA mattered
- The legal basis for the repeal
- How the repeal affects federal climate regulation
- The role of the Supreme Court and administrative law
- What happens next in federal court
- More emissions and rising adaptation costs
- States and cities filling the federal vacuum
- The growing role of climate litigation
- Adaptation continuing — but in a more fragmented system
Previous appearances by Mark Nevitt on America Adapts
Destroy, Rebuild, Repeat: How to Break the Climate Disaster Cycle with Mark Nevitt
Climate Change and the Legal System: Why the U.S. Constitution Needs to Adapt with Law Professor Mark Nevitt
Climate Adaptation Predictions for 2025: What the Experts Say
For Educators & Students
- The structure and limits of federal agency authority
- The interaction between executive action and judicial review
- How Supreme Court doctrine reshapes environmental governance
- Federalism and the division of climate authority between states and Washington
- Legal uncertainty and its impact on infrastructure and long-term planning
- Climate governance in periods of institutional instability
- The evolving role of courts in climate policy disputes
- Risk management when regulatory frameworks shift abruptly
- Professors are welcome to assign this episode or excerpts in syllabi.
Who Should Listen to This Episode
- Climate adaptation and resilience professionals navigating shifting federal policy
- State and local government officials responsible for long-term planning
- Urban and regional planners integrating climate risk into infrastructure decisions
- Insurance, reinsurance, and financial sector professionals assessing regulatory volatility
- Corporate risk, legal, and strategy teams tracking climate governance shifts
- Environmental law and public policy scholars following administrative law developments
- Funders and foundations evaluating the durability of climate investments
- Climate communicators explaining governance instability to broader audiences
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