The Colorado Court of Appeals ruled against the state Oil and Gas Commission's narrow interpretation of its authority to readjust the balance of state oil and gas conservation regulations…

A district court upheld the Delaware River Basin Commission's fracking ban against a challenge from a energy company. Upon the Commission's creation, it was codified that no project that…

A Pennsylvania court preliminarily enjoined the commonwealth from enforcing certain Marcellus Shale drilling regulations pending the outcome of an industry group's lawsuit. The group alleged…

The Tenth Circuit upheld a lower court decision denying environmental group's request to preliminarily enjoin the drilling of certain oil and gas wells in the Mancos Shale formation of the…

The Pennsylvania Supreme Court struck down as unconstitutional portions of a 2012 law governing oil and gas operations in the Marcellus Shale. This is the second time the law, known as Act 13, has…

A district court held that BLM failed to take a "hard look" at the environmental impact of hydraulic fracturing with regard to the agency's resource management plan (RMP) for public…

A district court struck down BLM's rule regulating hydraulic fracturing on federal and Native American lands. Although FLPMA authorizes BLM to take any action necessary to prevent unnecessary…

A district court held that West Virginia law preempts a county's ban on wastewater disposal wells. The ordinance effectively outlaws horizontal drilling anywhere in the county. It establishes…

A Pennsylvania court dismissed developers' lawsuit against environmental activists and township residents for alleged tortious interference with contract with respect to a series of oil and…

The Supreme Court of Colorado held that state law preempts a city's ban on hydraulic fracturing and waste disposal within city limits. The Colorado Constitution recognizes the sovereignty of…