The D.C. Circuit dismissed a challenge to a 2018 EPA memo that interpreted §112 of the CAA to mean that major sources of toxic emissions could reclassify to area sources and thereby ease their…

The Eighth Circuit held that a U.S. Army Corps of Engineers jurisdictional determination (JD) is a final agency action under the APA, thereby creating a split between the circuits. The case arose…

A district court dismissed a lawsuit challenging EPA's initiation of CWA §404(c) proceedings for the proposed Pebble Mine project, a large copper and gold mine in the Bristol Bay region of…

A district court dismissed a nonprofit group's lawsuit seeking to halt EPA studies that expose humans to fine particulate matter. The challenged EPA conduct does not constitute final agency…

The Fourth Circuit held that a biological opinion issued by the National Marine Fisheries Service as part of EPA's process of reregistering the insecticides chlorpyrifos, diazinon, and…

A district court held that mining interests may go forward with their CWA, APA, and SMCRA claims against EPA in connection with memoranda and guidance documents concerning permitting processes…

A district court granted in part and denied in part the United States' motion to dismiss citizen groups’ claims challenging the approval of certain quarterly oil and gas lease sales…

The court dismissed environmental organizations' claims that the U.S. Environmental Protection Agency, the Department of Housing and Urban Development, and the Tennessee Valley Authority (TVA…

The court affirmed the dismissal of a home builder association's claims that the U.S. Fish and Wildlife Service (FWS) violated the Endangered Species Act (ESA) and the Administrative…

The court holds that farmer and cattlemen associations lack standing under the Administrative Procedure Act (APA), 5 U.S.C. §551(13), to challenge the U.S. Forest Service's involvement with…