Environmental Groups and Tribes Sue Trump Over Endangered Species Act Habitat Rule

Two federal complaints filed in Seattle challenge the rule change, with Swinomish Indian Tribal Community and Squaxin Island Tribe joining conservation groups including the Center for Biological Diversity and Columbia Riverkeeper in separate suits.
The administration’s change removes habitat destruction from the definition of 'harm' in the Endangered Species Act, potentially allowing development to destroy habitat without triggering protections, with officials arguing it speeds approvals and reduces private-property obstacles.
Tribal leaders highlight treaty and livelihood implications, including a prominent remark from Swinomish Senator and Fisheries Manager Tandy Wilbur that it would be unlawful to catch a protected fish but lawful for developers to drain water that fish needs to survive.
Advocates emphasize that habitat protections are foundational to the ESA; Earthjustice attorney Kristen Boyles argued that protecting habitat is central to the act and warned the change would undermine decades of legal precedent.
Environmental and tribal groups filed two federal lawsuits in Seattle challenging a Trump administration rule that strips habitat destruction from the Endangered Species Act's definition of "harm," The Seattle Times reported. The rule reverses five decades of legal precedent and could allow developers and fossil fuel companies to destroy critical habitat without triggering federal protections for imperiled species.
The suits were filed by the Swinomish Indian Tribal Community, the Squaxin Island Tribe, the Center for Biological Diversity, Columbia Riverkeeper, and other conservation groups, according to The Hill. Observers widely expected the litigation and describe the cases as a pivotal test of the ESA's balance between conservation and development.
For roughly 50 years, the ESA defined "harm" to include significant habitat modification that kills or injures wildlife. The Interior Department's new rule removes that language, France 24 reported. Now, only direct physical harm to a listed animal counts as a violation. Destroying a wetland or draining a stream would no longer automatically trigger federal protections.
The administration argues the old definition was too broad and blocked private property use and project approvals, according to Yahoo News. Officials say protections against directly killing or injuring listed species remain fully in place. Critics call that argument a fig leaf that ignores how most species actually go extinct — by losing the places they live.
Tribal leaders made the sharpest argument against the rule. Swinomish Senator and Fisheries Manager Tandy Wilbur put it plainly: it would be unlawful to catch a protected fish, but lawful for a developer to drain the water that fish needs to survive. That contradiction sits at the heart of both tribal lawsuits, The Seattle Times reported.
The tribes say the rule threatens treaty rights tied to salmon fishing, which carries cultural and economic weight across the Pacific Northwest. Salmon, grizzly bears, marbled murrelets, and orcas are among the species plaintiffs say face new extinction risk under the weakened rule.
Earthjustice attorney Kristen Boyles argued that protecting habitat is not a side feature of the ESA — it is the Act's central function. She warned the change would tear down decades of legal precedent and undermine the law's track record of preventing extinctions, according to KIRO 7.
Conservation groups say the timing matters. The rule went into effect immediately, meaning habitat-destroying projects could move forward before any court blocks them. Plaintiffs are asking the federal court in Seattle to halt the rule while the lawsuits proceed, The Hill reported.
The Interior Department's change overturns a regulatory framework that dates to the ESA's earliest years. France 24 noted that the "harm" definition has underpinned the Act's success in pulling species back from the brink for about five decades. Removing it, critics say, does not just change a word — it dismantles the tool most responsible for the law's conservation record.
Legal experts say the Seattle federal court cases will determine whether Congress intended the ESA to protect ecosystems or only individual animals from direct attack. Yahoo News reported that the administration's move was widely anticipated to trigger immediate litigation, and both lawsuits arrived within days of the rule's finalization.
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