[Elodie Tranchez, PhD, is an international human rights
lawyer and teaches public international
law, including the
law of treaties and the
law of international organizations, at the University for Peace (UPEACE). Elvira Domínguez-Redondo is professor of
law at Kingston University, specialising in international
law, human rights and United Nations mechanisms.] On 4 January 2026, the United States adopted Executive Order 14199, withdrawing from a wide range of international organisations, including 31 United Nations agencies and entities. The decision affects international treaties that require formal withdrawal (e.g., United Nations Framework Convention on Climate Change),...