The D.C. Circuit granted in part and denied in part petitions to review a Surface Transportation Board order authorizing construction and operation of a new rail line in the Uinta Basin. Environmental groups and a Colorado county argued the Board failed to take a "hard look" at environmental impacts...

A district court granted in part and denied in part environmental groups' motion for summary judgment in a challenge to BLM's 2020 decision to allow grazing in the Sonoran Desert National Monument. The groups argued the Bureau's amended resource management plan (RMP) violated FLPMA and the National ...

The Tenth Circuit affirmed in part and vacated in part EPA's partial approval and partial disapproval of Wyoming's SIP addressing emissions at coal-fired power plants to reduce regional haze. EPA approved the SIP as to the Naughton plant, but disapproved it for the Wyodak plant, and substituted, thr...

The Tenth Circuit denied environmental groups' petition to review approval of Utah's July 2019 revised SIP addressing regional haze. The groups argued EPA abused its discretion by approving the SIP because Utah's alternative measure did not satisfy CAA national visibility goals, and that the Agency ...

A district court denied environmental groups' motion for summary judgment in a challenge to the Forest Service's approval of a gold exploration project in Caribou-Targhee National Forest. The groups argued the Service violated NEPA by failing to take a "hard look" at the potential effects exploratio...

A district court denied summary judgment for oil and gas leasing proponents and the state of Alaska in a challenge to President Biden's Executive Order No. 13990 and actions DOI took to implement the order's directive to place a temporary moratorium on implementation of a leasing program in the Arct...

The Tenth Circuit affirmed a district court ruling upholding BLM's approval of a development project on state and federal land in southwestern Wyoming. Conservation groups argued BLM violated NEPA by failing to adequately consider impacts of the project on sage-grouse populations and pronghorn antel...

The Seventh Circuit affirmed summary judgment for the Army Corps of Engineers in a challenge to its decision to continue an over century-old project that involves building river training structures to maintain the navigable channel in the Middle Mississippi River. Environmental groups argued that th...

A district court denied summary judgment for environmental groups in their challenge to the Army Corps of Engineers' approval of a navigation improvement project in San Juan Harbor in Puerto Rico. The groups sued the Corps, NMFS, and FWS, arguing they violated the ESA, NEPA, and the CWA. With respec...

The Third Circuit denied an environmental group's petitions to review EPA's approval of certain air pollution control technology use at industrial facilities in Pennsylvania. The group argued EPA violated the CAA by focusing exclusively on emissions from those facilities instead of examining their i...