A district court granted summary judgment for a fisheries biologist in a challenge to the Army Corps of Engineers' flood control operations at a California dam. The biologist argued the operations, which released water from the dam into the Russian River, violated §9 of the ESA by unlawfully "takin...

The Ninth Circuit affirmed in part and vacated in part a district court's preliminary injunction limiting wolf trapping and snaring in certain parts of Montana to January 1, 2024, through February 15, 2024. Nonprofit groups argued Montana's laws authorizing recreational wolf and coyote trapping and ...

The U.S. Supreme Court unanimously held that the Takings Clause does not distinguish between legislative and administrative land use permit conditions, in a lawsuit concerning a traffic impact fee as a condition of building a prefabricated home on a parcel of land. The landowner challenged the fee a...

The U.S. Supreme Court unanimously held that Texas property owners should be permitted to pursue claims under the Takings Clause through an inverse-condemnation cause of action available under Texas law. Over 120 property owners argued that a Texas highway elevation and expansion project, which buil...

A district court granted summary judgment for 21 states in a challenge to the Federal Highway Administration's (FHwA's) rule requiring each state to set declining targets for tailpipe carbon dioxide (CO2) emissions from vehicles on the National Highway System. The states argued requiring automobile ...

A district court granted summary judgment for the state of Texas in a challenge to the Federal Highway Administration's (FHwA's) 2023 rule requiring states to measure, report, and set declining targets for the amount of carbon dioxide emitted by vehicles using the interstate and national highway sys...

A district court granted in part and denied in part summary judgment for environmental groups in a challenge to an Idaho law authorizing expanded authorization of recreational wolf trapping and snaring in the state's grizzly bear habitat. The groups argued Idaho's continued authorization and expansi...

A district court denied the state of Alaska's and North Slope Borough's challenge to NMFS' decision not to delist the Arctic ringed seal as an endangered species following their 2019 petition. The plaintiffs argued NMFS failed to credit new information from FWS' analysis, failed to credit the Interg...

A magistrate judge recommended summary judgment be granted in part and denied in part for environmental groups in a challenge to the Forest Service's 2018 revision to the forest management plan for Flathead National Forest. The groups argued the Forest Service and FWS failed to rationally consider t...

The Tenth Circuit affirmed dismissal of an environmental group's petition to review FWS' revised land management plan for the Rio Grande National Forest. The group argued FWS' biological opinion (BiOp), which concluded the plan would not likely jeopardize the Canada lynx's continued existence, faile...