In an unpublished opinion, a California appellate court affirmed dismissal of a challenge to the Division of Oil, Gas, and Geothermal Resources' issuance of 213 permits to drill new oil wells in a California oil field. Environmental groups argued the Division failed to comply with the California Env...

A California appellate court affirmed dismissal of a challenge to the South Coast Air Quality Management District's determination that an oil refinery project would reduce air pollution. An environmental group first argued the environmental impact report (EIR) was inadequate under the California Env...

A district court denied a motion for a preliminary injunction in a challenge against FWS' failure to act on pending elephant trophy import permit applications. Hunting and tourism groups and elephant sport hunters sought an injunction requiring FWS to expeditiously process all pending and subsequent...

In an unpublished opinion, the Ninth Circuit held that the U.S. Forest Service's decision not to prepare an EIS for a tree-thinning project in Mount Hood National Forest was arbitrary and capricious. A district court concluded that the Service's decision was lawful and thus granted summary judgment ...

The D.C. Circuit vacated a 2018 EPA rule that instituted a complete vacatur of its 2015 rule blocking the use of hydrofluorocarbons as replacements for ozone-depleting substances. An environmental group argued the 2018 rule was invalid because it was a legislative rule and was thus improperly promul...

The D.C. Circuit dismissed a petition to review EPA's Guidance on Significant Impact Levels (SILs) for Ozone and Fine Particles in the Prevention of Significant Deterioration Permitting Program, which sets numerical SILs that can be used by companies applying for PSD permits. An environmental group ...

A district court denied local government entities' and landowners' request to temporarily halt construction of a 430-mile natural gas pipeline in Texas. Plaintiffs argued that allowing construction without an incidental take permit under §10 of the ESA would result in an unlawful take of endangered...

A district court stayed an environmental group's climate change lawsuit against an oil company concerning a CWA permit for its petroleum storage facility in Massachusetts. The group argued that the permit required the company to consider predictable weather patterns, including flooding and severe st...

A district court granted two Baltimore solid waste incineration facilities' partial motion for summary judgment in a challenge to the Baltimore Clean Air Act (BCAA). The facilities argued the BCAA was "conflict preempted" by Maryland law because it prohibited solid waste incinerators from operating ...

A district court denied summary judgment to environmental groups in a challenge to the U.S. Army Corps of Engineers' issuance of permits for construction of a crude oil pipeline across the Atchafalaya Basin. The groups argued that the Corps violated NEPA by failing to take a hard look at the risk of...