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...