The Ninth Circuit affirmed a lower court decision that the Clean Air Act (CAA) does not preempt certain provisions of local "fleet rules" requiring operators to meet specified emission standards or engine requirements, but reversed and remanded the court's refusal to consider whether the CAA preempt...

The Fourth Circuit affirmed an award of attorney fees in a citizen suit brought under the Surface Mining Control and Reclamation Act with respect to the preliminary injunction phase of the litigation, but reversed fees awarded for the supplemental claims phase. The supplemental phase included plaint...

The D.C. Circuit upheld the U.S. Department of the Interior's (DOI's) interpretation of "valid existing rights" in a 1999 rule to foreclose surface mining operations in sensitive areas. A mining association argued that Congress inserted "valid existing rights" in the Surface Mining Control and Recla...

The Tenth Circuit upheld the constitutionality of Colorado's Clean Indoor Air Act. The Act bans smoking in indoor areas, but it expressly exempts from this general prohibition "airport smoking concessions" such as airport restaurants and bars. A coalition of tavern and bar owners filed suit challeng...

The Ninth Circuit upheld an injunction enjoining the California Air Resources Board from enforcing state regulations that limit emissions from the auxiliary diesel engines of ocean-going vessels within 24 miles of California's coast. Clean Air Act (CAA) §209(e)(2)(A) requires California to obta...

The Second Circuit remanded with directions to dismiss claims against the U.S. Environmental Protection Agency (EPA) and a former Agency administrator for misleading plaintiffs into believing that the air quality in lower Manhattan in the aftermath of September 11, 2001, was safe enough to permit th...

The Tenth Circuit held that the Federal Mineral Leasing Act (FMLA) does not provide political subdivisions of a state an implied cause of action to challenge the state's allocation of federal mineral royalties received under the Act. FMLA §191 directs the federal government to return 50% of fed...

A district court held that the applicable legal test for the "routine maintenance, repair, and replacement" exclusions found in the Clean Air Act (CAA) should be applied to activities that are considered "routine in the industry" rather than "routine at the unit." In a CAA enforcement action filed a...

The Court holds that a landfill constructed on land ceded from the Yankton Sioux Reservation in South Dakota by an 1894 Act that diminished the boundaries of the reservation is not subject to federal environmental regulation. The Court first holds that the 1894 Act—a negotiated agreement providing...

The court holds that environmental activists challenging the construction of a golf course in Lake Jackson, Texas, may not bring a Federal Water Pollution Control Act (FWPCA) citizen suit action against the U.S. Army Corps of Engineers or bring Administrative Procedure Act (APA), National Environmen...