A district court preliminarily enjoined BLM from conducting oil and gas lease sales under the procedures of a new BLM directive. Environmental groups argued that the directive unlawfully constrains environmental review of, and public participation in, oil and gas lease decisions that affect and thre...

A district court ordered the State Department to supplement its 2014 EIS for a cross-border oil pipeline, known as Keystone XL, to consider the pipeline company's alternative route that was approved for the project. Environmental groups argued that the agency violated NEPA by failing to revisit its ...

The Ninth Circuit affirmed in part and reversed in part a district court's summary judgment in favor of the U.S. Forest Service's approval of a site-specific project concerning restoration activities on roughly 80,000 acres in Payette National Forest in Idaho. Environmental groups challenged the app...

The Ninth Circuit granted environmental groups' petition to review EPA's 2017 order maintaining a tolerance for the pesticide chlorpyrifos, and vacated the Agency's order. The groups argued that the Agency's need for additional scientific research was not a valid ground for maintaining a tolerance t...

A district court denied in part environmental groups' motion for summary judgment challenging BLM's and the U.S. Army Corps of Engineers' approval of a project to replace a wooden diversion weir with a concrete dam along the Yellowstone River. The groups argued that the agencies' EIS violated NEPA b...