A district court granted summary judgment for landowners and a coalition of counties in a challenge to FWS' issuance of an ESA Section 4(d) Rule alongside its listing of the northern distinct population of lesser prairie-chicken as a threatened species. Plaintiffs argued FWS should have considered e...

The Fifth Circuit granted in part and denied in part states' challenges to EPA's disapprovals of SIPs developed in response to the Agency's 2015 decision calling for SIPs to achieve a new ozone NAAQS. Texas, Louisiana, and Mississippi argued EPA's disapprovals of their SIPs were arbitrary and capric...

The Eleventh Circuit affirmed dismissal of aviculturalist groups' lawsuit challenging FWS' denial of their petition to add two parrot species to the list of species approved for import under the Wild Exotic Bird Conservation Act. The groups had petitioned FWS to add members of the cactus conure and ...