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...

A district court vacated on remand OSM's approval of an underground coal mine expansion in central Montana. Environmental groups initially challenged OSM's 2018 EA for the proposed expansion. The Ninth Circuit held that OSM violated NEPA by failing to provide convincing reasons for its determination...

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...

The Fourth Circuit affirmed summary judgment for the North Carolina Department of Transportation (NCDOT) and FHwA in a challenge to their approval of a toll bridge across North Carolina's Currituck Sound that would connect the northern Outer Banks with the mainland. Environmental and community group...

The Tenth Circuit reversed a district court ruling that affirmed BLM's environmental impact analysis for 370 applications for permits to drill (APDs) for oil and gas in New Mexico's San Juan Basin. Environmental groups argued that BLM's 81 EAs and EA addendum violated NEPA because the Bureau imprope...