Supreme Court

The U.S. Environmental Protection Agency’s (EPA’s) Mercury and Air Toxics Standards (MATS) have been seen by many in the coal-fired power industry as potentially more expensive and onerous than its Clean Power Plan, which addresses greenhouse gases. On Nov. 25, the Supreme Court agreed to review a consolidated case that could potentially prevent the MATS […]

The U.S. Supreme Court on Monday declined to take up industry’s challenge to a federal court ruling that upheld the Bush administration’s air quality standard for ozone.  The high court’s denial leaves intact the D.C. Circuit’s July 2013 decision upholding the Environmental Protection Agency’s (EPA’s) last revision of its National Ambient Air Quality Standards (NAAQS) […]

(click for larger gif. view)

A divided Supreme Court on Monday partly reversed a 2012 federal court decision, ruling that the Environmental Protection Agency (EPA) exceeded its authority under the Clean Air Act when it required permitting for stationary sources based on their greenhouse-gas (GHG) emissions. In a 5–4 ruling, the court’s right-leaning majority concluded that the agency may not […]

The Environmental Protection Agency (EPA) exceeded its authority under the federal Clean Air Act when it promulgated the Cross-State Air Pollution Rule (CSAPR) in 2011, nine states argue in a brief filed with the U.S. Supreme Court last week. The brief filed by a bipartisan group of attorneys general from Arizona, Arkansas, Kentucky, Missouri, Montana, […]

The U.S. Supreme Court has agreed to hear a narrow challenge to the Environmental Protection Agency’s (EPA’s) authority to regulate greenhouse gas (GHG) emissions from stationary sources, including power plants. In a mixed bag for groups fighting the EPA’s GHG regulation, the high court on Tuesday accepted for review six petitions—which were consolidated for oral […]

Though a stalemate on the federal budget endures in Congress, and the federal government continues to be partially shut down, the Supreme Court began its new term on Oct. 7 by announcing that it had accepted two cases seeking a review of the invalidated Cross State Air Pollution Rule (CSAPR). The two CSAPR cases, EPA, […]