prevention of significant deterioration

Breaking News: U.S. Supreme Court Renders Split Decision in Major Climate Change Case

The U.S. Supreme Court today issued its long-awaited decision in Utility Air Regulatory Group v. Environmental Protection Agency, the justices’ third encounter with climate change law and policy.  In a Solomonic ruling, the Court ruled that EPA lacks authority to require the operators of “stationary sources” of greenhouse gas emissions (power plants, factories, etc.) to obtain …

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Deconstructing Today’s U.S. Supreme Court Arguments in Utility Air Regulatory Group

The EPA Could Well Lose This Challenge to Its Greenhouse Gas Reduction Efforts

The Supreme Court heard oral arguments today in the most important environmental law case of the current Term: Utility Air Regulatory Group v. Environmental Protection Agency. Based on those arguments–and, more importantly, the justices’ questions and comments–it appears that EPA’s efforts to regulate greenhouse gas (GHG) emissions from stationary sources under the Clean Air Act’s …

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Is EPA backtracking on Clean Air Act greenhouse gas regulation?

UPDATE: Cara discusses in this post some further developments that make the EPA’s plans more concrete, and concludes that the EPA is backtracking significantly from its proposed rule by delaying the timetable and by regulating fewer facilities. **** Last fall, our Environmental Protection Agency appeared to be on the verge of moving very quickly to …

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CO2 and the Clean Air Act

New EPA Administrator Lisa Jackson has granted the Sierra Club’s petition to reconsider a memorandum issued by outgoing Administrator Stephen Johnson in December. Almost two years after the Supreme Court declared, in Massachusetts v. EPA, that CO2 is an “air pollutant” for purposes of the Clean Air Act, this announcement, paired with the decision to …

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