From the Blog
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EPA’s Proposal to End Carbon Dioxide Regulation from Power Plants Violates the Clean Air Act and International Law
On September 17, 2026, EPA proposed to end regulation of greenhouse gas emissions from power plants, even though U.S. power plants are a larger source of emissions than any other country in the world except China, India, and Russia. A group of 21 attorneys, academics, scientists and other…
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Pennsylvanians Demand Climate Action to Promote Economic Stability, Affordability, and Sustainability
I am one of 13 individuals and four organizations to demand that Pennsylvania’s Environmental Quality Board (EQB) act decisively on a petition to develop the Stability and Affordability Via Emissions Reduction (SAVER) regulation, which would promote a strong, sustainable economy while…
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Public Natural Resources, Common Property, and the Public Trust Doctrine
I have a new article addressing an important question of Pennsylvania constitutional public trust law that is also central to understanding the public trust doctrine and the role it plays and can continue to play in other states and countries to address pressing environmental challenges. Pennsylvania’s Duty to Conserve and Maintain Pubic Natural Resources The…
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Who is John Dernbach?
John C. Dernbach is a Commonwealth Professor of Environmental Law and Sustainability at Widener University, Commonwealth Law School in Harrisburg Pennsylvania, and director of its Environmental Law and Sustainability Center. He writes extensively on climate change and sustainable development. Read on