States Sue Trump Administration Over Rollbacks to Endangered Species Act Regulations

Washington’s Southern Resident killer whale population has fallen from 98 whales in 1995 to 74 today; the population was listed as endangered under the ESA in 2005.
The challenged definition of “harm” previously covered significant habitat modification or degradation that could injure wildlife by disrupting breeding, feeding or sheltering, even without direct physical injury.
Two of the rollbacks would restore ESA regulations adopted during President Trump’s first administration, which were challenged in court and later reversed by the Biden administration.
The lawsuits target separate agency arrangements: one case names the U.S. Fish and Wildlife Service, while the other names both the Fish and Wildlife Service and the National Marine Fisheries Service.
The Hawaiian monk seal Mana, a two-year-old endangered seal identified as RT68, was found dead at Three Tables on Oahu’s North Shore on Aug. 15, adding a local example of the wildlife at issue in the litigation.
Twenty state attorneys general and Washington, D.C. filed two federal lawsuits this week challenging the Trump administration's rollbacks of Endangered Species Act protections. Al Jazeera reports the suits argue that narrowing the definition of habitat "harm" and reducing automatic protections for newly threatened species illegally weaken safeguards that have helped prevent extinctions for decades. The changes could enable habitat destruction from development, mining, and drilling, threatening species including orcas, salmon, and Hawaiian monk seals.
The attorneys general contend the rollbacks undermine a law credited with helping save 99% of protected species from extinction. The New York Times reports the 21 Democratic officials argue the revisions violate the Endangered Species Act, the National Environmental Policy Act, and the Administrative Procedure Act. Federal agencies have declined to comment on the pending litigation.
Washington state's killer whale population has plummeted from 98 whales in 1995 to just 74 today. Al Jazeera notes the Southern Resident population was listed as endangered under the Endangered Species Act in 2005. The dramatic decline illustrates why habitat protections matter — orcas depend on healthy salmon runs and undisturbed marine habitat for breeding and feeding.
The previous definition of "harm" covered significant habitat modification that could injure wildlife by disrupting breeding, feeding, or sheltering — even without direct physical injury. Massachusetts Lawyers Weekly reports the Trump administration narrowed this definition, making it harder to protect habitat before damage occurs. The changes also reduce automatic protections for newly listed threatened species and create a process allowing developers and industries to influence critical-habitat designations.
Two of the challenged changes restore regulations adopted during President Trump's first administration. Detroit News explains those earlier rules were challenged in court and later reversed by the Biden administration. The latest revisions suggest the Trump administration is reinstating policies it attempted previously, now facing a new round of legal challenges from Democratic state officials.
A two-year-old Hawaiian monk seal named Mana was found dead at Three Tables on Oahu's North Shore on August 15. The seal, identified as RT68, had been tracked by researchers monitoring the critically endangered population. YahooNews reports such deaths add local examples to the litigation over how weakened habitat protections could affect vulnerable species across the nation.
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