As the UN marks its 80th founding anniversary, one question often arises: Does it still matter? To explore its significance, we turned to an AI-generated video to imagine a world without the UN. In this scenario, there would be no global treaties to curb the spread of weapons of mass destruction, no agencies setting safety standards for ships and aircraft, and no coordinated networks delivering famine relief or vaccines. Watch as we envision a world without the UN, and why its role remains crucial today.