A Pennsylvania court vacated and reversed a town's decision to issue a special use permit allowing an energy company to construct and operate an unconventional natural gas well pad near landowners' private property.

A Colorado court held that the Colorado Oil and Gas Conservation Act preempts a city's ban on all oil and gas extraction and related activities within the city's boundaries. The court held that the operational conflict in this case was "obvious and patent" on its face.

A district court denied an environmental group's motion to preliminarily enjoin BLM from issuing oil and gas leases in central and southwest Nevada due to allegedly defective environmental analyses.

The Ninth Circuit held that it lacks subject matter jurisdiction over environmental groups' citizen suit challenging the Montana Department of Environmental Quality's potential approval of a surface mining permit.

A district court issued its findings of fact and conclusions of law regarding phase one of the Deepwater Horizon oil spill trial, holding various companies liable for the spill.

The Ninth Circuit held that the owner and operator of a coal export terminal may be held liable under the CWA for non-stormwater discharges of coal into Resurrection Bay, Alaska.