The D.C. Circuit held that energy companies lack standing to challenge EPA's determination that carbon dioxide (CO2) streams injected into Class VI wells for the purpose of geologic sequestration constitute "solid waste" subject to RCRA. Class VI wells are designated to receive CO2 streams generated...

The D.C. Circuit held that a home builders' association lacked standing to challenge EPA's and the U.S. Army Corps of Engineers' determination that two reaches of the Santa Cruz River in southern Arizona constitute "traditional navigable waters" (TNW) under the CWA. The court previously held in a si...

The First Circuit reversed a lower court decision dismissing a lawsuit concerning a proposed offshore wind power generation facility in Nantucket Sound. Opponents of the facility—a town, an advocacy group, and several individuals and businesses in the area—sought to nullify the state's approval ...

A North Carolina court issued a preliminary injunction barring the state Mining and Energy Commission from accepting or processing any hydraulic fracturing applications until the state Supreme Court issues its opinion in a similar case concerning the constitutionality of the Commission's appointment...

The Supreme Court of Texas held that courts may consider all relevant circumstantial evidence when granting or denying an expedited motion to dismiss suits that could stifle a defendant's communication on matters of public concern under the Texas Citizens Participation Act (TCPA). The case arose aft...