REUTERS/Jonathan Ernst- Court observers and attorneys depart after decisions were handed down on the last day of the term at the U.S. Supreme Court building in Washington June 29, 2015. The Supreme Court on Monday invalidated a key Obama administration environmental regulation aimed at limiting emissions of mercury and other hazardous pollutants mainly from coal-fired power plants.

Blog Post

Michigan v. EPA: Competing conceptions of deference due to administrative agencies

June 29, 2015, Philip A. Wallach

On June 29 the Supreme Court decided Michigan v. Environmental Protection Agency, with a 5-4 conservative majority finding that the EPA improperly excluded cost considerations from its decision to regulate hazardous air pollutants emitted from power plants. In this post, Philip Wallach looks at what the decision means for the future of the administrative state. 

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