A state court held unconstitutional a provision of the Montana Environmental Policy Act that prohibited state agencies from considering the impacts of greenhouse gas (GHG) emissions on climate change in environmental reviews. A group of youths challenged the prohibition, arguing it was causing or co...

A district court dismissed a challenge to President Biden's redesignation of the Bears Ears and Grand Staircase-Escalante National Monuments. The state of Utah and two counties argued the president exceeded his authority under the Antiquities Act by enlarging the two monuments via proclamations, and...

A district court granted environmental groups' motion for a preliminary injunction in a challenge to FWS' decision to install a permanent pipeline for Arctic grayling in Red Rock Lakes Wilderness in southwestern Montana. The groups argued the decision violated the Wilderness Act by ignoring the Act'...