A district court granted a motion for summary judgment in a challenge to EPA and the U.S. Army Corps of Engineers' 2015 Clean Water Rule. States and industry groups argued the rule violated the CWA by extending the agencies' jurisdiction beyond the limits of the Act. The court determined that the ru...

A district court denied environmental groups' motion for summary judgment in a lawsuit seeking FOIA disclosure of an EPA computer model related to its rollback of Obama-era greenhouse gas emission standards for vehicle manufacturers. The groups challenged EPA's withholding of the model pursuant to a...

An Idaho district court transferred venue in a challenge to BLM's decision to renew livestock grazing permits for an allotment in northern Utah and to the Interior Board of Land Appeals' (IBLA's) reinstatement of that decision. An environmental group argued that BLM's decision violated FLPMA and NEP...

The D.C. Circuit dismissed a challenge to a 2018 EPA memo that interpreted §112 of the CAA to mean that major sources of toxic emissions could reclassify to area sources and thereby ease their regulatory obligations. California and environmental groups argued that EPA failed to provide notice and c...

A district court vacated TMDLs that were established by the District of Columbia for E. Coli bacteria in portions of the Anacostia and Potomac Rivers and approved by EPA in 2014. Environmental groups challenged EPA's approval, arguing the Agency failed to set true maximum daily loads of E. Coli disc...

A district court denied a motion for summary judgment in a challenge to the U.S. Forest Service's cattle grazing program for three livestock allotments in Stanislaus National Forest. Environmental groups argued the program caused violations of water quality standards for fecal coliform bacteria and ...

The D.C. Circuit granted in part petitions to vacate a portion of a Federal Communications Commission order that exempted most small cell construction from review under the National Historic Preservation Act (NHPA) and NEPA. Native American tribes and an environmental group argued that eliminating h...

The D.C. Circuit upheld FERC's approval of a natural gas pipeline that would run from northern Pennsylvania to Alabama. Environmental groups and landowners argued that FERC violated NEPA by failing to factor downstream greenhouse gas emissions into its evaluation of the project's environmental impac...

In an unpublished opinion, a state appellate court upheld the Minnesota Department of Natural Resources' rules under which the permit for a copper-nickel-platinum mine was issued. Environmental groups challenged the rules, asserting that they were constitutionally vague and unenforceable. The court ...

A district court granted in part and denied in part DOI's motion to dismiss a challenge to its 2017 interpretation of the Migratory Bird Treaty Act that permitted the "incidental" taking of migratory birds. Environmental groups and states argued the agency's interpretation was arbitrary and capricio...