A district court granted EPA's and the Army Corps of Engineers' motion to stay Texas' and Idaho's challenge to the Biden Administration's 2023 rule revising the definition of "waters of the United States" under the CWA. The court stayed the suit until publication in the Federal Register of the agenc...

The Tenth Circuit affirmed denial of conservation groups' claims in a lawsuit concerning the Bureau of Reclamation's decision to sign a water contract allowing the state of Utah to draw from reservoir releases rather than the Green River and its tributaries. The groups argued the Bureau violated NEP...

The D.C. Circuit vacated DOE's 2020 rule establishing more stringent energy efficiency standards for commercial packaged boilers, and its 2022 supplemental document responding to the court's previous remand order that it address comments raised during the rulemaking process. Industry groups argued D...