President Lula of Brazil has called COP30 the “Turnaround COP” – warning that it may represent our last chance to avoid an irreversible rupture in the climate system. In episode 2 of Multilateralism UNpacked, UNU-CPR Director, David Passarelli, speaks to the COP30 President, Ambassador André Aranha Corrêa do Lago, a veteran Brazilian climate diplomat who will guide negotiations in Belém. Recorded at a workshop organized by a new UNU-CPR project – the Global Governance Innovation Platform – the conversation explores the challenges facing climate diplomacy, mobilizing support for a more sustainable climate agenda and Brazil’s COP30 priorities.