A district court stayed the Navigable Waters Protection Rule, which substantially narrows the definition of "waters of the United States" that are subject to federal regulation under the CWA, in Colorado. Colorado argued that the Supreme Court's ruling in Rapanos v. United States foreclosed the appr...

A district court denied a motion for preliminary relief in a challenge to the Navigable Waters Protection Rule, which substantially narrows the definition of "waters of the United States" that are subject to federal regulation under the CWA. California argued that EPA and the Army Corps of Engineers...

A district court vacated a timber harvesting project in Tongass National Forest after previously ruling that the Forest Service violated NEPA, the Alaska National Interest Lands Conservation Act, and the National Forest Management Act when it authorized the project. Both the plaintiff environmental ...

The Tenth Circuit upheld the Forest Service's approval of two forest-thinning projects in the Santa Fe National Forest. Environmental groups and individuals argued the Service violated NEPA by failing to adequately consider the projects' effects on inventoried roadless areas and their cumulative imp...

The Sixth Circuit reversed, 2-1, a district court ruling that required the Pipeline and Hazardous Materials Safety Administration (PHMSA) to comply with the ESA and NEPA before approving an oil pipeline operator's response plans for addressing the risk of a potential oil spill. A conservation group ...