The Eighth Circuit affirmed a district court's dismissal of states' challenge to the Biden Administration's interim estimates on the social costs of greenhouse gas emissions. The states had sought to preliminarily enjoin federal officials, departments, and agencies from using the estimates "as bindi...

The Fifth Circuit affirmed a district court's order remanding back to state court a lawsuit brought against oil companies concerning their operations during World War II. Louisiana parishes initially filed suit in state court, arguing the companies had violated Louisiana's State and Local Coastal Re...

The D.C. Circuit vacated a district court's grant of summary judgment to EPA in a challenge to the Agency's approval of a permitting program for coal ash disposal facilities in Oklahoma. Environmental groups challenged EPA’s approval on several grounds under RCRA and the APA, and the district cour...

In an unpublished opinion, the Ninth Circuit granted in part environmental groups' petition to review EPA's registration of a new fungicide called inpyrfluxam. The groups argued EPA failed to make an effects determination under §7(a)(2) of the ESA and to consult with federal wildlife agencies, and ...

The Iowa Supreme Court, 4-3, affirmed a summary judgment order dismissing a landowner's nuisance, trespass, and drainage claims against a neighboring confined animal feeding operation (CAFO). The neighboring CAFO moved for summary judgment based on the statutory immunity enacted in Iowa's "right-to-...

The Ninth Circuit granted in part and denied in part a petition to review EPA's determination that glyphosate did not pose "any unreasonable risk to man or the environment." Nonprofit groups challenged the Agency's determination, arguing that EPA did not adequately consider whether the weedkiller ca...

A district court granted a developer's motion to dismiss a challenge to the Army Corps of Engineers' decision to issue a CWA §404 permit for a proposed copper mine project in the Santa Rita Mountains. Environmental groups and Native American tribes argued that the Corps violated the CWA and NEPA wh...