
Donald Trump issued a memorandum on 7 January 2026 directing US agencies to withdraw from 66 international organisations, agencies and commissions. The list included the UN Framework Convention on Climate Change and the Intergovernmental Panel on Climate Change. The memorandum ordered immediate steps to leave, subject to applicable law. The UN depositary records the climate convention withdrawal as taking effect on 27 February 2027. It was a broad order to disengage, with different legal timetables.