A California appellate court affirmed a lower court decision denying a natural gas company's petition challenging an air district rule requiring the company to monitor, record, and report changes in the quality of natural gas and air pollutant levels. The district acted reasonably in finding that ga...

The Supreme Court of Louisiana held that a property owner who discovered radioactive contamination on his land after he purchased it may not file suit against oil and trucking companies allegedly responsible for that contamination. Under Louisiana law, a property owner has no right or actual interes...

The D.C. Circuit vacated and remanded the FAA's "no hazard" determinations for a proposed offshore wind farm in Nantucket Sound. A town and a citizens group filed suit arguing that the FAA violated its governing statute, misread its own regulations, and arbitrarily and capriciously failed to calcula...

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 ...