PacifiCorp, et al., Petitioners v. Environmental Protection Agency, et al.
Case Number:
23-1068
Court:
Nature of Suit:
Firms
Companies
Sectors & Industries:
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March 25, 2025
Justices Grapple With Circuit Courts' Clean Air Act Authority
U.S. Supreme Court justices on Tuesday indicated they want to preserve circuit courts' jurisdiction over certain regional Clean Air Act disputes but recognized that Congress deliberately prioritized the D.C. Circuit's authority in many important areas of the law.
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March 22, 2025
Up Next At High Court: Non-Delegation & Clean Air Fights
The U.S. Supreme Court will return to the bench Monday to hear arguments in a dispute that could revive a long-dormant separation of powers principle and trigger a regulatory power shift.
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December 16, 2024
Circuit-By-Circuit Guide To 2024's Most Memorable Moments
One judge said a litigant's position would cause "an effing nightmare," and another decried the legal community's silence amid "illegitimate aspersions." Public officials literally trashed one court's opinion, and fateful rulings dealt with controversial politicians, social media and decades of environmental policy. Those were just a few appellate highlights in 2024, a year teeming with memorable moments both substantive and sensational.
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December 16, 2024
High Court Faces Dueling Views Over EPA Rule Fights
The U.S. Supreme Court on Friday was presented with dueling arguments over whether the bulk of judicial challenges to U.S. Environmental Protection Agency air pollution rules should remain in the D.C. Circuit or can be heard in other, regional circuit courts.
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October 21, 2024
High Court Will Review Clean Air Act Jurisdiction Cases
The U.S. Supreme Court on Monday agreed to review Tenth Circuit and Fifth Circuit rulings that reached different conclusions about whether legal challenges to U.S. Environmental Protection Agency air pollution rules belong in the D.C. Circuit.
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May 22, 2024
EPA Urges Justices To Keep Ozone Fight In DC Circ.
The U.S. Environmental Protection Agency on Tuesday urged the Supreme Court to keep seven consolidated challenges to the EPA's decision disapproving Utah's and Oklahoma's air quality plans in the D.C. Circuit.
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April 01, 2024
States Want Justices To Send Ozone Fight Back To 10th Circ.
Oklahoma, Utah and a coalition of industry groups are asking the U.S. Supreme Court to declare that their fight over compliance with federal ozone standards belongs in the Tenth Circuit, not the D.C. Circuit.