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Chevron Deference Environmental Litigation Government Agencies

Morgan Lewis - Up & Atom

US Supreme Court: Deference Owed to Agency Decisions on the Scope of NEPA Reviews

The US Supreme Court continues to reshape administrative law. In its recent decision, Seven County Infrastructure Coalition v. Eagle County, Colorado, the Court unanimously (8-0) instructed federal courts to defer to...more

Vinson & Elkins LLP

Supreme Court Curbs the Scope of NEPA Reviews in Landmark Decision: Seven County Infrastructure Coalition v. Eagle County,...

Vinson & Elkins LLP on

In the first major National Environmental Policy Act (“NEPA”) case to reach the Supreme Court in almost two decades, the U.S. Supreme Court issued its decision on May 29, 2025, in Seven County Infrastructure Coalition v....more

Allen Matkins

“A Course Correction”: Supreme Court Reinforces Agency Deference and Narrows the Scope of Environmental Effects that Agencies Must...

Allen Matkins on

On May 29, 2025, the Supreme Court held that the National Environmental Policy Act (NEPA) — which requires federal agencies to analyze the environmental impacts of projects that they carry out, fund, or approve — does not...more

Hanson Bridgett

The Supreme Court Takes Aim at NEPA

Hanson Bridgett on

On May 29, 2025, the Supreme Court issued its Opinion in Seven County Infrastructure Coalition et al. v. Eagle County, Colorado et al., one of the most high-profile National Environmental Policy Act, or NEPA, cases to reach...more

Winstead PC

Trump Administration Redefines “Harm” Under The Endangered Species Act (ESA)

Winstead PC on

On April 17, 2025, the U.S. Fish and Wildlife Service and the National Marine Fisheries Service (together, the “Services”) proposed to rescind their longstanding regulatory definition of “harm”, which has for decades served...more

Sheppard Mullin Richter & Hampton LLP

Supreme Court Restores Agency Deference In NEPA Reviews

On May 29, 2025, the United States Supreme Court issued an 8-0 opinion in Seven County Infrastructure Coalition, et al. v. Eagle County, Colorado, et al. that affirmed agency deference in review of environmental documents...more

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