Conservation Groups Launch Legal Challenge Against ESA Habitat Rollbacks

The legal action, coordinated by the Southern Environmental Law Center, targets the U.S. Fish and Wildlife Service and the National Marine Fisheries Service. By rescinding the long-standing regulatory definition of "harm"—which specifically included significant habitat modification—the agencies are accused of violating the Endangered Species Act, the National Environmental Policy Act, and the Administrative Procedure Act.

For decades, federal policy recognized that damaging a species' home constitutes a lethal threat. Kristen Byrnes Floom, Public Lands Counsel for the National Wildlife Federation, described the move as an attempt to undermine the fundamental purpose of conservation. The coalition warns that the change threatens not only endangered species but also broader ecosystems, including Pacific Northwest salmon spawning grounds, Florida’s panther habitats, and South Carolina’s long-leaf pine forests. With habitat loss currently identified as the leading driver of extinction, plaintiffs assert that the agencies’ decision to remove these safeguards creates an unsustainable risk for over 250 species across the Southeast alone.