A district court denied FWS' and NMFS' motion to dismiss a challenge to the agencies' issuance of rules that revised key requirements of the ESA's implementing regulations.

A district court granted summary judgment for the U.S. Army Corps of Engineers in a challenge to its proposal to dredge a portion of a harbor located in the Lower St. Johns River.

A district court denied a request to vacate the Trump Administration's decision to lift the Obama Administration's moratorium on new coal leasing on public lands.

A district court vacated BLM's 2018 instruction memorandum (IM) and oil and gas lease sales in Montana and Wyoming issued in reliance on the IM for failing to maintain federal protections for the greater sage-grouse.

The D.C. Circuit granted in part and denied in part Delaware's and Maryland's challenges to EPA's denial of their CAA §126(b) petitions requesting that the Agency impose additional limitations on certain upwind sources contributing to the states' nonattainment of ozone NAAQS.

The Sixth Circuit affirmed a district court ruling that denied city and state officials' motions to dismiss residents' bodily integrity claim stemming from the water contamination crisis in Flint, Michigan.

The Ninth Circuit vacated and remanded a district court ruling denying San Francisco's and Oakland's motion to remand to state court a lawsuit alleging that oil companies make and sell products that create a public nuisance—sea-level rise—when combusted.