A district court granted Colorado parks and wildlife agencies' motion to dismiss a lawsuit challenging the reintroduction of gray wolves in the state. A conservation group argued the agencies violated NEPA by failing to conduct or complete the environmental review process required for wolf introduct...

A district court granted in part and denied in part summary judgment in environmental groups' challenge to BLM's approval of land management plans designating route networks for off-highway vehicles (OHVs) in the western Mojave Desert. The groups argued the 2019 OHV route network violated FLPMA, NEP...

A district court denied the Florida Department of Environmental Protection's (FDEP's) motion to dismiss a lawsuit concerning its alleged failure to appropriately regulate sewage discharge into a northern part of the Indian River Lagoon. A nonprofit group argued FDEP's insufficient regulation led to ...

A district court granted the state of Alaska's request to set aside and enjoin NMFS' final rules designating critical habitat for the Beringia distinct population segment of the bearded seal and for the Arctic ringed seal. The state argued NMFS violated the ESA by failing to designate specific areas...

A district court denied summary judgment for environmental groups in a challenge to FWS' 2015 rule that classified any reestablished black-footed ferret population in Wyoming as a nonessential experimental population. The groups argued FWS' designation of reintroduced ferrets as "nonessential" viola...

A district court affirmed BLM's resource management plan (RMP) amendment and record of decision (ROD) concerning wild horse management in southern Wyoming. Conservation and wild horse advocate groups argued BLM's decision to revert two herd management areas to "herd area" status, of which the approp...

A district court granted summary judgment for environmental groups in a challenge to NMFS' biological opinion (BiOp) on the impact of oil and gas extraction in the Gulf of Mexico on protected marine life. The groups argued NMFS violated the APA and the ESA by issuing a flawed BiOp that underestimate...

In an unpublished opinion, the Ninth Circuit reversed a lower court's vacatur of an incidental take statement (ITS) issued by NMFS authorizing a troll fishery in Alaska to harvest Chinook salmon despite potential reduction in prey for the endangered southern resident killer whale, and affirmed its d...

A district court granted in part and denied in part summary judgment for environmental groups in a challenge to FWS' 2020 revised 12-month finding on a petition to list the Upper Missouri River distinct population segment of arctic grayling. The groups argued FWS failed to analyze the adequacy of ex...

A district court adopted in part, modified in part, and rejected in part a magistrate judge's findings and recommendations in a challenge to FWS' biological opinion (BiOp) for Flathead National Forest's 2018 revised land management plan. Environmental groups argued FWS and the Forest Service violate...