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Showing 2 posts in Diligent Prosecution.
The U.S. Court of Appeals for the Tenth Circuit issued a decision on August 3, 2026, which clarified the scope of the diligent prosecution bar to citizen suits under the Clean Air Act (“CAA”). The decision was a partial victory for the environmental organizations that brought the lawsuit and adds to the body of appellate decisions aiming to elucidate this heavily litigated area of the law. Read More »
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Topics: Air, CERCLA, Citizen Suit, Citizens Suit, Clean Air Act, Colorado, Consent Decree, Diligent Prosecution, Emissions, EPA, Loper Bright, Pollutants, Superfund, Tenth Circuit
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Topics: Air, CERCLA, Citizen Suit, Citizens Suit, Clean Air Act, Colorado, Consent Decree, Diligent Prosecution, Emissions, EPA, Loper Bright, Pollutants, Superfund, Tenth Circuit
In the second appellate case within the past year addressing the “diligent prosecution” bar under environmental citizen suit provisions, the Fifth Circuit Court of Appeals held last week that the Clean Water Act’s bar on citizen suits when governmental enforcement action is underway is not jurisdictional – reversing the dismissal of a citizen suit at the Rule 12(b)(6) stage, and remanding the case for further proceedings before the district court. Read More »
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Topics: Cases to Watch, Citizen Suit, Clean Water Act, Decisions of Note, Diligent Prosecution, Subject Matter Jurisdiction
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Topics: Cases to Watch, Citizen Suit, Clean Water Act, Decisions of Note, Diligent Prosecution, Subject Matter Jurisdiction
