The Ninth Circuit upheld EPA's approval of Nevada's SIP for regional haze. In the SIP, Nevada provided reasonable progress goals for attaining natural visibility conditions at the Jarbridge Wilderness Area in remote northeastern Nevada, the state’s only Class I federal area. The SIP further requir...
The D.C. Circuit upheld a $72 million judgment against an automobile manufacturer for violating a consent decree requiring certain model year 2005 engines to comply with EPA’s model-year 2006 nitrogen oxide (NOx) emissions standard. In 1998, EPA alleged that several major engine manufacturers viol...
The Fifth Circuit held that notices of violations EPA sent to two power plant operators for alleged CAA violations were not "final agency action" and, hence, not subject to judicial review. In the notices, EPA claimed that the operators violated the Act's PSD provisions in connection with certain ph...
A district court held that BLM complied with NEPA when it issued a programmatic EIS for utility-scale solar energy projects in six southwestern states. Environmental groups filed suit under NEPA, claiming that BLM failed to consider reasonable alternatives to utility-scale solar energy development o...
A district court vacated the government's approval of on-the-ground mining exploration activities in a part of western Colorado's North Fork Valley and enjoined the intervening mining companies from proceeding with the project until the agencies comply with NEPA. Although the federal agencies provid...
A district court upheld National Park Service (NPS) regulations restricting off-road vehicle (ORV) use in North Carolina's Cape Hatteras National Seashore at certain times of the year. Petitioners argued the rule was arbitrary and capricious, an abuse of discretion, and otherwise not in accordance w...
The D.C. Circuit held that environmental groups lacked standing to challenge an EPA memo issued to regional directors in response to an earlier court decision vacating the Agency's 2011 Cross-State Air Pollution Rule (the "transport rule"), which sets sulfur dioxide and nitrogen oxides emissions lim...