That voice would differ across scenarios. In a Market Forces world, power moves to the private sector, international banks and the WTO the UN is largely a toothless platform for international conferences, high-minded rhetoric and crisis management. But in Policy Reform, the UN becomes a key venue for implementing environmental and social goals. In Barbarization scenarios, the UN is relevant only to historians. In a Great Transition, a reorganized UN expresses the international solidarity of the new development agenda as the dominance of the nation-state fades.