76 years after the United Nations was founded, amid an unending pandemic and growing climate and refugee crises, today's UN Secretary-General António Guterres has stark words for member nations: "In our biggest shared test since the Second World War," Guterres says, "humanity faces a stark and urgent choice: a breakdown or a breakthrough." But if something as immediate and catastrophic as a deadly pandemic can't spark a renewal of global cooperation, then what can? On GZERO World, Ian Bremmer explores the question: if the United Nations doesn't have the authority to force its members to take drastic measures to avoid global catastrophes, what is it actually good for? (Quite a lot.)

Watch this episode of GZERO World with Ian Bremmer: UN Sec-Gen: Without trust, catastrophe awaits