The District of Columbia's highest court upheld the dismissal of a property owner's lawsuit against the D.C. sewer and water authority for pinhole leaks in his apartment buildings' pipes.

The D.C. Circuit vacated an EPA rule that deferred regulation of biogenic carbon dioxide—non-fossil-fuel carbon dioxide sources such as ethanol—for three years.

A district court vacated an SEC rule that requires certain companies to disclose payments made to foreign governments in connection with the commercial development of oil, natural gas, or minerals.

The Supreme Court of New Jersey reversed and remanded a lower court decision awarding $375,000 in damages to beachfront property owners whose oceanfront view was obstructed by a dune built to serve as a barrier from powerful storms and ocean surges.

The Seventh Circuit held that the statute of limitations bars EPA's and Illinois' CAA suit against a power company for failing to obtain preconstruction permits and to use best available control technology (BACT) at five coal-fired power plants that were modified prior to it acquiring t

A Colorado appellate court held that under state law, a trial court may not order plaintiffs in a toxic tort case to present prima facie evidence supporting their claims after initial disclosures, but before full discovery begins, or risk having their case dismissed.