The Ninth Circuit affirmed summary judgment for an environmental group in a suit against a California resident who engaged in instream suction dredge mining in Idaho’s South Fork Clearwater River without an NPDES permit. The group argued the resident violated the CWA each time he operated a suctio...

A district court denied the city of New Orleans' motion to remand to state court its lawsuit against oil companies for allegedly damaging coastal wetlands with their operations. The city initially sued the companies in state court, arguing they violated the Louisiana State and Local Coastal Resource...

The Ninth Circuit, 2-1, affirmed a district court's grant of summary judgment for agricultural producers and businesses and a permanent injunction enjoining the California attorney general (AG) from enforcing Proposition 65's carcinogen warning requirement for the herbicide glyphosate. Plaintiffs ar...

The Eighth Circuit granted farming groups' petitions to review EPA's 2021 order banning agricultural use of the insecticide chlorpyrifos. The groups argued EPA's "rushed" decision to revoke all tolerances for chlorpyrifos, in response to a Ninth Circuit order directing the Agency to either revoke al...

A district court granted DOI's motion to dismiss a lawsuit concerning tribal water rights on the Crow Reservation in Montana. Tribal members who hold property on the reservation challenged the 2010 Crow Tribe Water Rights Settlement Act (Settlement Act), which provided benefits to the tribe in excha...

The Fifth Circuit affirmed summary judgment for the operator of a chemical storage facility in a lawsuit concerning the operator's 2019 oil spill into the Houston Ship Channel. Shipping companies that were forced to stop operations after the spill sued the operator, seeking economic loss damages und...

The Fifth Circuit reversed a district court ruling upholding the Army Corps of Engineers' decision to issue a CWA §404 permit to fill wetlands for a commercial and residential development project in St. Tammany Parish, Louisiana. Parish residents and environmental groups argued the Corps' decision ...

A district court granted in part and denied in part summary judgment for environmental groups in a CWA/SMCRA citizen suit concerning the discharge of pollutants from surface coal mines in West Virginia. The groups argued a coal mining company violated the CWA by discharging mining pollutants at Rush...

A district court denied in part and dismissed in part two nonprofit groups' challenge to DOE's approval of a freshwater offshore wind project in Lake Erie. The groups argued DOE violated NEPA by failing to prepare an EIS and failing to take a "hard look" at reasonable alternatives and cumulative imp...

The Fifth Circuit denied environmental groups' petition to review the Army Corps of Engineers' issuance of a CWA permit for a proposed liquefied natural gas production and export terminal on the Calcasieu River in Louisiana. The groups argued the Corps failed to adequately consider a particular alte...