The Ninth Circuit held that BLM and the U.S. Forest Service did not violate the CWA, NEPA, or the National Forest Management Act (NFMA) in approving a proposed mine expansion project in the Caribou National Forest. After evaluating the data, the agencies determined that remediation efforts w...

The Fourth Circuit reversed and remanded a district court's imposition of penalties against the former owner of a metals smelting facility for CWA violations. The environmental groups that filed suit against the company had standing, as they demonstrated that one of their members used an are...

A district court granted the Massachusetts Department of Transportation's (MassDOT's) motion for judgment in a case involving its violation of municipal separate storm sewer system NPDES permits in the Boston area and denied an environmental group's motion for additional injunctive relief. Once a co...

The Eleventh Circuit vacated a lower court decision remanding a permit issued by the U.S. Army Corps of Engineers back to the agency and enjoining a mining company from conducting operations approved in that permit. The lower court concluded the permit's issuance did not comply with the requirements...

A district court held that mining companies violated the selenium effluent limitations set forth in their state-issued NPDES and surface mining permits. The companies had sought permit modifications from the state's environmental agency, and when those requests were denied, the companies appeal...

A district court, on cross-motions for summary judgment, upheld a DOI regulation requiring oil lessees to obtain drilling permits for development and production drilling but denied both motions as to a DOI regulation setting forth new requirements for drilling in the western Gulf of Mexico. Oil...

The Fourth Circuit upheld a lower court's fee award in favor of environmental groups in their CAA case against an energy company. Below, the groups moved for summary judgment on the basis that the company was violating the CAA by constructing a new major source of hazardous air pollution without f...

The D.C. Circuit denied a petition for review challenging EPA's decision granting California a waiver from federal preemption under the CAA that allows the state to implement its own regulations requiring automobile manufacturers to reduce fleet-average greenhouse gas emissions from new motor vehicl...

A district court denied two aviation associations' motions to intervene in a case asking the court to order EPA to use its authority under the CAA to regulate greenhouse gas emissions from marine vessels, aircraft, and other nonroad vehicles. The aviation associations filed the instant motions to in...

A district court dismissed property owners' CERCLA, RCRA, and CWA claims against the current owner of a contaminated site for damages caused by the migration of contamination onto their property. Each of the three federal statutes requires plaintiffs to provide the owner with particular notice of th...