A district court denied the state of Illinois' motion to remand to state court a lawsuit concerning three companies' manufacturing and subsequent disposal of polychlorinated biphenyls (PCBs). Illinois filed suit in state court, arguing the companies manufactured, marketed, and sold PCBs that led to ...

The Ninth Circuit granted in part and denied in part petitions to review EPA's 2019 amended registration of the pesticide sulfoxaflor. Environmental groups alleged that the registration, which unconditionally approved new uses of sulfoxaflor requested by the company that created the pesticide, viola...

The D.C. Circuit, 2-1, granted a joint motion to hold in abeyance four petitions to invalidate pesticide registration orders issued by EPA. Conservation groups initially petitioned the court for vacatur and remand of five registrations for failure to comply with the ESA. The parties then jointly req...

A district court granted in part and denied in part a pipeline owner's motion for summary judgment in a CERCLA suit brought by the owner of land where the pipeline is located in West Virginia. The landowner alleged that the pipeline leaked and contaminated her soil and groundwater, and sought to rec...

A district court granted a federal contractor's motion for partial summary judgment in a CERCLA liability suit brought by the state of New Mexico and a Native American reservation concerning Gold King Mine's release of millions of gallons of contaminated water into nearby rivers in 2015. The contrac...

In an unpublished opinion, the Ninth Circuit affirmed summary judgment for the U.S. government in a CERCLA liability lawsuit, requiring oil companies to reimburse approximately $50 million of EPA's environmental cleanup costs at a Superfund site in California. The government had sought reimbursement...

The D.C. Circuit dismissed for lack of standing a petition to review a 2016 EPA rule concerning greenhouse gas emissions and fuel efficiency standards for medium- and heavy-duty engines and vehicles. A coalition representing businesses that make and sell aftermarket car products challenged the rule'...

The D.C. Circuit dismissed an oil company's petition to review EPA's response concerning the decommissioning status of two oil platforms off the California coast. The company initially asked EPA for guidance on whether, as the process moves forward, the platforms would cease to qualify as regulated ...

The D.C. Circuit vacated a district court's grant of summary judgment to EPA in a challenge to the Agency's approval of a permitting program for coal ash disposal facilities in Oklahoma. Environmental groups challenged EPA’s approval on several grounds under RCRA and the APA, and the district cour...

In an unpublished opinion, the Ninth Circuit granted in part environmental groups' petition to review EPA's registration of a new fungicide called inpyrfluxam. The groups argued EPA failed to make an effects determination under §7(a)(2) of the ESA and to consult with federal wildlife agencies, and ...