The court reverses the dismissal of an individual's complaint against his employer under the Clean Air Act's (CAA's) whistleblower provision. The U.S. Department of Labor's Administrative Review Board (ARB) dismissed the complaint reasoning that the individual did not engage in a protected activity ...

A court partially grants the U.S. Environmental Protection Agency's (EPA's) and individuals' motions to dismiss a class action suit stemming from plaintiffs' exposure to hazardous substances in the interior of their residences, schools, and workplaces as a result of the dust and debris released from...

The Court reversed the Fourth Circuit's grant of summary judgment in favor of a coal-fired power plant operator charged with violating the Clean Air Act's (CAA's) prevention of significant deterioration (PSD) regulations. The CAA's PSD and new source performance standards (NSPS) provisions both cove...

The Second Circuit upheld the dismissal of rescue, search, and cleanup workers' substantive due process complaint against federal officials for knowingly issuing false statements about air quality safety in the aftermath of the September 11, 2001, terrorist attacks of the World Trade Center. The wor...

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 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...

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...