On January 7, 2026, President Trump announced the United States’ withdrawal from the UN Framework Convention on Climate Change (UNFCCC), a landmark climate treaty ratified by the Senate in 1992. The decision has reignited debate over whether a President may unilaterally withdraw from a Senate-approved treaty and what such action means for future U.S. participation in the Convention. In this post, Volume XLIX staff editor Alex Levine examines the legal uncertainty surrounding the withdrawal and the prospects for reentry.
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