A district court denied a pipeline company's motion to dismiss a challenge to President Trump's issuance of a permit for construction of a cross-border segment of the Keystone XL oil…

The Tenth Circuit upheld a lower court decision vacating a prior order that set aside a U.S. Forest Service decision revoking a business' permits to operate a lodge and outfitter-guide…

The court holds that the repeal and replacement of a 1996 statutory amendment to the Federal Aviation Reauthorizaton Act governing the placement of landfills near commercial airports moots and…