UN Chief António Guterres on global power, AI, and a world in crisis
September 25, 2026
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Hosted by Ian Bremmer, GZERO World is an award-winning, nationally syndicated PBS television program featuring the most influential leaders and thinkers in the world.
The global order is breaking down—and the institutions built to keep the world stable are struggling to keep up. More than 80 years from its founding, can the UN still serve its purpose in a world where populism and protectionism are on the rise and trust seems to be at an all-time low? On the sidelines of the General Assembly, Secretary-General António Guterres says the multilateral system and principles of the UN charter matter now more than ever. For all its challenges, the UN is still the only place where its 193 member states can come together under one roof and engage in diplomacy. Guterres sits down with Ian Bremmer on GZERO World for the final time in his official capacity to reflect on the UN’s role amid escalating conflict, fears of runaway AI, and deep divisions over international cooperation.
The world is drifting toward rival spheres of influence as the US, China and emerging powers reshape the balance of power. The rules that governed the post-WWII order for the last eight decades were designed for a different era. Without reform, Guterres warns, the system could fracture beyond repair. But countries need to find a way to work together because the next great challenge, artificial intelligence, is moving faster than governments can keep up with. Bremmer and Guterres talk about the most urgent crises facing the world, the state of multilateralism, and what the Secretary-General has learned after a decade as the UN's top diplomat. Impunity is on the rise. Major superpowers are ignoring international law. Can the world repair the rules of the global system before a crisis forces the issue?
“Superpowers need to understand the limits of their power, because power itself doesn’t solve the problem" Guterres says, “Middle-size countries look at superpowers violating international law and ask ‘Why shouldn’t we do the same?’”
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