A district court upheld in part and vacated in part a 2016 rule of the Office of Natural Resources Revenue (ONNR), which effectively changed how royalties owed to the federal government are calculated on oil, gas, and coal produced from federal land and offshore leases as well as coal produced from ...

A district court denied summary judgment for the state of Missouri in a challenge to the Bureau of Reclamation's approval of a water supply project in North Dakota. Missouri argued the Bureau violated NEPA by failing to prepare an EIS, failing to take a "hard look" at the effectiveness of mitigation...

A district court vacated and remanded EPA's and the Army Corps of Engineers' Navigable Waters Protection Rule, which established a new definition of "waters of the United States" under the CWA. EPA and the Corps sought voluntary remand of the rule without vacatur to give them time to revise or repla...

A district court granted in part and denied in part summary judgment for an environmental group and U.S. congressman in a lawsuit concerning enforcement activity along the U.S.-Mexico border. The plaintiffs argued the Department of Homeland Security (DHS) violated NEPA by failing to issue a suppleme...

A district court vacated BLM's approval of an oil and gas project in the National Petroleum Reserve in Alaska. Indigenous and environmental groups argued BLM violated NEPA by failing to adequately analyze the effects of the project's downstream greenhouse gas (GHG) emissions in its EIS, failing to c...

The Ninth Circuit affirmed summary judgment for EPA in a challenge to a compliance order stating that landowners' property in Idaho contained wetlands subject to CWA protection and directing them to remove fill and restore the property to its natural state. The appellate court concluded that EPA rea...

A district court denied nonprofit groups' motion for summary judgment in a challenge to BLM's decision authorizing a power company to construct a portion of an electrical transmission line across roughly 100 miles of federal land. The groups argued BLM violated NEPA by failing to supplement the fina...

A district court granted summary judgment for an environmental group in a challenge to EPA's regulations for oil spill dispersants. The group argued that EPA violated the CWA by failing to issue a final rule updating the NCP for addressing oil spills in light of new information showing the chemicals...