The court holds that the U.S. Environmental Protection Agency's (EPA's) construction of the Clean Air Act (CAA) in promulgating the revised national ambient air quality standards (NAAQS) for ozone and particulate matter (PM) effects an unconstitutional delegation of legislative power and remands the...

The court affirms the dismissal of a land trust's action alleging that a coal company that owned the mineral rights to a tract of the trust's land violated the Surface Mining Control and Reclamation Act (SMCRA) and other federal and state laws. The trust alleged that the company's failure to comply ...

The court holds that the U.S. Department of Transportation's (DOT's) approval of a 12-lane bridge to replace an existing 6-lane bridge in Alexandria, Virginia, violated the Clean Air Act (CAA), the National Environmental Policy Act (NEPA), the National Historic Preservation Act (NHPA), and the Depar...

The court holds that the Office of Surface Mining Reclamation and Enforcement's (OSM's) denial of a surface mining permit to a company was not a taking. The company's mining plan would invade the rock strata overlying an aquifer that supplies a local community with drinking water. The court first ho...

The court holds that the U.S. Environmental Protection Agency's (EPA's) Acid Deposition Standard Feasibility Study Report to Congress complied with the Clean Air Act's (CAA's) mandate that it include a description of the nature and numerical value of deposition standards that would be sufficient to ...