A district court dismissed two Pennsylvania state senators' challenge to the Delaware River Basin Commission's imposition of a moratorium on gas drilling and hydraulic fracturing in the Delaware Basin. The senators argued, among other things, that the moratorium exceeded the Commission's authority. ...

The Ninth Circuit reversed summary judgment for FWS in a challenge to the Service's 2017 decision reversing its 2011 decision that the Pacific walrus qualified for listing under the ESA. An environmental group had argued the Service violated the APA by failing to sufficiently explain its change in p...

The Fourth Circuit affirmed summary judgment for a county in South Carolina in a lawsuit concerning the county's alleged taking of honey sellers' bees. The sellers argued their bees died after the county sprayed pesticide in an effort to kill mosquitoes, and thus constituted a Fifth Amendment taking...

The D.C. Circuit affirmed summary judgment for FWS in a lawsuit concerning its denial of a nonprofit group's permit applications to export four blue iguanas to a Danish zoo and to continue a captive-bred wildlife program at its Arizona facility. A district court saw no problem with FWS' denials and ...