A Pennsylvania appellate court partially struck down Act 13, which pertains to oil and gas operations in the Marcellus Shale, as unconstitutional. The Act repealed Pennsylvania’s Oil and Gas Act and replaced it with a codified statutory framework regulating oil and gas operations in the Commonweal...

The Third Circuit denied petitions for review under NEPA challenging the FAA's approval of an expansion project at the Philadelphia International Airport. The FAA prepared an EIS and conducted an air quality analysis to meet the overlapping requirements of NEPA and the CAA, and EPA submitted comment...

The Supreme Court of Wisconsin held that under state law, a town may not impose conditions on a livestock siting permit to protect surface and groundwater. The state legislature has strictly limited the ability of political subdivisions to regulate the livestock facility siting process. The town ove...