A district court ordered the U.S. Forest Service to engage in formal consultation with other federal agencies to protect listed fish species being harmed by water diversions from the Salmon River in Idaho's Sawtooth National Recreation Area. An environmental group argued that the Service violated th...

The D.C. Circuit dismissed a petition to review EPA's order denying an environmental group's objection to renewal of a Title V operating permit for a power plant in Utah. The group objected that the renewal permit incorporated requirements in a 1997 Title I preconstruction permit that was based on a...

The D.C. Circuit dismissed in part and denied in part a petition to review EPA's 2016 revisions to its ambient air quality monitoring system regulations. An environmental group argued that the revisions violated the CAA by not requiring states to give advance notice and hold a public hearing when ma...