The D.C. Circuit, in an unpublished opinion, dismissed a petition challenging an EPA computer model that states must use to estimate motor vehicle emissions when developing their strategies to comply with the CAA. Kansas and Nebraska, as well as two nonprofit organizations, alleged that the model is...

The Fifth Circuit upheld an individual's sentence and conviction for wire fraud, money laundering, and CAA violations for selling false renewable fuel credits. The individual represented to EPA and to fuel companies seeking to purchase renewable fuel credits that he manufactured renewable fuels when...

A district court remanded a portion of FWS’ addendum to a 2007 biological opinion concerning the incidental take of grizzly bears in the Grand Teton National Park. In 2007, FWS and the National Park Service (NPS) issued a joint 15-year management plan for bison and elk herds that migrate across th...

The Ninth Circuit reversed a lower court decision dismissing the Navajo Nation's lawsuit against the National Park Service (NPS) that seeks immediate return of human remains and associated funerary objects taken from its reservation. Between 1931 and 1990, NPS removed 303 sets of human remains and a...

The U.S. Supreme Court reversed a lower court decision barring a hunter from using a hovercraft over a stretch of the Nation River that flows through the Yukon-Charley Rivers National Preserve, a conservation system unit in Alaska that is managed by NPS. The hunter argued that NPS' ban on hovercraft...