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Reanimating The Foreign Compacts Clause, Thomas Liefke Eaton

William & Mary Environmental Law and Policy Review

On October 23, 2019, the United States Department of Justice (“DOJ”) filed a complaint against the State of California “for unlawfully entering a cap and trade agreement with the Canadian Providence of Quebec.” In many ways, the complaint reflects a conventional disagreement between states and the federal government over the contours of federalism, but the complaint’s second cause of action, alleging a violation of the “Compacts Clause,” Article I, section 10(3) of the United States Constitution, is unique. The body of law and scholarship surrounding the Compacts Clause is often guesswork at best, for jurists and scholars alike, because typically …