A district court enjoined construction on a dam expansion project in Colorado in environmental groups' challenge to the Army Corps of Engineers' issuance of a dredge and fill permit. The court previously held the Corps failed to comply with the CWA and NEPA when it issued the permit. The court subse...

The Sixth Circuit denied environmental groups' petition to review the Tennessee Department of Environment and Conservation's (TDEC's) order issuing a water quality certification for a proposed fossil gas pipeline in Tennessee. The groups argued TDEC arbitrarily and capriciously determined that ...

A district court granted summary judgment for landowners and a coalition of counties in a challenge to FWS' issuance of an ESA Section 4(d) Rule alongside its listing of the northern distinct population of lesser prairie-chicken as a threatened species. Plaintiffs argued FWS should have considered e...

The Fifth Circuit affirmed denial of summary judgment for two Native American tribes and an environmental group in a challenge to a CWA §404 permit issued by the Army Corps of Engineers to expand operations at an oil export terminal on Texas' Gulf Coast. The tribes and group sought to invalidate th...

The Eleventh Circuit affirmed dismissal of aviculturalist groups' lawsuit challenging FWS' denial of their petition to add two parrot species to the list of species approved for import under the Wild Exotic Bird Conservation Act. The groups had petitioned FWS to add members of the cactus conure and ...

A district court granted in part summary judgment for an environmental group in a lawsuit concerning ESA §7 consultations on six pesticides. The group argued FWS violated the ESA by unreasonably delaying completion of consultations on chlorpyrifos, diazinon, carbaryl, methomyl, atrazine, and simazi...

A district court granted in part and denied in part summary judgment for an environmental group in a challenge to NMFS' denial of the group's petition to promulgate ESA §4(d) regulations for 20 coral species. The group had petitioned NMFS in response to the Service's inaction on its own findings in...

A district court vacated a 2022 instruction memorandum (IM) issued by BLM that outlined policies and procedures for administering an incentive program for adopting federally protected wild horses and burros. Animal rights groups challenged the IM, arguing it violated the Wild Free-Roaming Horses and...

The U.S. Supreme Court held, 5-4, that the CWA does not authorize EPA to include "end-result" provisions in NPDES permits, in a lawsuit concerning the Agency's issuance of a renewal permit for the city of San Francisco that added two such requirements. The city petitioned for review, arguing the req...

The Fourth Circuit affirmed a district court's denial of a motion to temporarily enjoin construction on a real estate development project in South Carolina. Environmental groups argued the CWA §404 permit issued for the project violated the ESA by using a habitat surrogate to set the level of antic...