A district court granted in part and denied in part FWS' motion to dismiss a challenge to the Service's failure to comply with deadlines for listing species as threatened or endangered and for designating critical habitats for them. An environmental group sought to compel FWS to make 12-month findin...

A district court denied the Army Corps of Engineers' motion to dismiss an ESA citizen suit alleging the Corps' operation of a dam in California was unlawfully taking protected salmon species. An individual argued the Corps violated the ESA by jeopardizing salmon populations with the dam's flood cont...

The D.C Circuit denied an industry group's challenge to EPA's 2021 rule requiring power plants in several upwind states to reduce nitrogen oxide emissions. The group argued the rule was arbitrary and capricious, and that EPA failed to conduct a legally and technically appropriate assessment as requi...

The Fifth Circuit reversed summary judgment for NOAA and NMFS in a challenge to the agencies' rule requiring charter boat owners to install NMFS-approved vessel monitoring systems (VMSs) to track the vessels' GPS locations. Charter boat captains argued the rule's tracking requirement exceeded the au...

The Sixth Circuit granted a petition to review EPA's removal of an air nuisance rule from Ohio's SIP. Environmental groups and individuals argued that EPA violated the CAA and APA in removing the rule. EPA moved to remand without vacatur to review its removal of the rule. The court found that vacatu...

A district court granted summary judgment for BLM, fishing groups, and a tribe in a challenge to the Oregon Water Resources Department's (OWRD's) order prohibiting the Bureau from releasing water from Upper Klamath Lake. The plaintiffs argued BLM was required to comply with the ESA in operating the ...

A magistrate judge recommended that environmental groups' motion for summary judgment be denied in a challenge to FWS' authorization of oil and gas drilling on the northern coast of Alaska. The groups argued that FWS' five-year incidental take regulation, accompanying biological opinion, and EA unla...

A district court granted in part and denied in part a mining company's motion to dismiss a lawsuit concerning a proposed open-pit copper-nickel mine in northeastern Minnesota. Environmental groups argued FWS and the Army Corps of Engineers violated the ESA by failing to reinitiate consultation in re...