The West Virginia Supreme Court affirmed in part and reversed in part a series of jury verdicts, orders and rulings in a class action where the owner of a zinc smelter facility was found liable to class members for approximately $382 million in damages related to off-site arsenic, cadmium, and le

A district court denied a chromium production facility operator’s motion for summary judgment with respect to claims seeking remediation of hexavalent chromium contamination under the imminent and substantial endangerment citizen suit provision of RCRA.

The Supreme Court of Montana affirmed a lower court’s award of almost $41 million in damages to the state of Montana from a wholesale electric generator for its use of state-owned riverbeds at its hydroelectric generation facilities.  The court held that title to the riverbeds

A district court rejected a homebuilder association's facial challenge to nationwide permit 46, which governs the discharge of dredged or fill materials into nontidal upland ditches. The association argued that the U.S.

The Ninth Circuit vacated a lower court decision that granted a preliminary injunction prohibiting the enforcement of California Penal Code §599f, which bans the slaughter and inhumane handling of nonambulatory animals, against federally regulated swine slaughterhouses.

The Second Circuit affirmed in part and vacated in part a lower court decision that found a county’s mosquito-control activities lawful under the CWA.

A district court allowed negligence claims against the Tennessee Valley Authority (TVA) to continue in seven lawsuits stemming from a coal-ash spill, but it held that the TVA is not subject to punitive damages.

A district court denied defendants’ motion to dismiss an environmental group’s claims under the citizen suit provisions of RCRA to abate an alleged imminent and substantial endangerment to human health and the environment posed by trichloroethylene and perchloroethylene disposed at a landfill.

A California appellate court affirmed a lower court decision that held that the California Regional Water Quality Control Board (Board) had no authority to enforce state law governing waste discharge to several hydroelectric dams operating under a federal license.

The D.C. Circuit denied a trucking association’s petition to review an EPA decision authorizing under the CAA a California rule that regulated emissions from transportation refrigeration units (TRUs) in trucks.