The Trump administration’s decision to withdraw the United States from 66 international organizations marks one of the most consequential ruptures in global science diplomacy in decades.
While the move has been widely framed through the lenses of climate policy and multilateral politics, its deeper significance lies elsewhere: the United States is exiting not only treaties and aid bodies, but the institutional architecture that produces shared scientific baselines, coordinates global evidence, and translates research into governance.
SciTech Diplomacy — United States — Global Issues — U.N. Framework Convention on Climate Change (UNFCCC) 1994 — Intergovernmental Panel on Climate Change — Union of Concerned Scientists — Intergovernmental Science-Policy Platform on Biodiversity and Ecosystem Services (IPBES) — International Union for Conservation of Nature (IUCN) — International Renewable Energy Agency (IRENA) — Renewable Energy Policy Network for the 21st Century (REN21) — China — European Union — Switzerland — Germany — Kenya — Italy
