Cases

Endangered Species Act “harm” rollback litigation

Was the federal government’s 2026 narrowing of Endangered Species Act habitat protections lawful, and what protection remains for species harmed through habitat destruction?

  1. Sought
  2. Found
  3. Fought
  4. Answered
United States federal courts3 evidence entries

Overview

Practical Action & Accountability

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Status: Case-specific provider verification and direct outreach have not yet been completed. Do not contact witnesses or interfere with investigations. Petitions are secondary to documented action.

Federal agencies rescinded a longstanding regulatory definition under which “harm” to a protected species could include significant habitat modification that kills or injures wildlife. A multistate coalition argues that the changes violate the Endangered Species Act and federal administrative and environmental-review laws. The federal government maintains that the prior rule exceeded the statute. The court has not decided the merits.

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Timeline

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Federal agencies finalized rules narrowing Endangered Species Act protections, including rescission of the regulatory definition of “harm” that covered certain habitat modification. The precise legal effect is disputed in the lawsuits.

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A coalition of state attorneys general filed complaints challenging three Endangered Species Act rules and alleging violations of the Act, the Administrative Procedure Act, and the National Environmental Policy Act.

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Context & developments

Associated Press reported a September 14 Fish and Wildlife Service directive interpreting incidental killing during activities such as logging or construction as outside the take prohibition unless protected animals were targeted. That directive and the July rule are related but distinct actions.

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