The D.C. Circuit granted in part and denied in part a petition challenging EPA's update to the Cross-State Air Pollution Rule. Environmental groups and Delaware argued that EPA violated the CAA by failing to require upwind states to eliminate their significant contributions in accordance with the de...

The Fifth Circuit dismissed environmental groups' challenge to EPA's issuance of a CWA general permit authorizing discharges from oil and gas facilities operating in the Gulf of Mexico. Environmental groups argued that EPA violated NEPA by failing to prepare an adequate EIS before issuing the permit...

The D.C. Circuit upheld EPA's implementation of its Renewable Fuel Standards Program, which requires transportation fuel sold in the United States to contain a minimum volume of renewable fuels. Some industry groups argued that EPA arbitrarily refused to revise its 2010 point of obligation rule that...

The D.C. Circuit granted in part petitions to vacate a portion of a Federal Communications Commission order that exempted most small cell construction from review under the National Historic Preservation Act (NHPA) and NEPA. Native American tribes and an environmental group argued that eliminating h...

The D.C. Circuit upheld FERC's approval of a natural gas pipeline that would run from northern Pennsylvania to Alabama. Environmental groups and landowners argued that FERC violated NEPA by failing to factor downstream greenhouse gas emissions into its evaluation of the project's environmental impac...