Session 2 of TED's Countdown Dilemma Series from June 2022 features scientists, activists, artists, frontline community leaders and more debating the role for carbon credits in a net-zero future. (Featuring, in order of appearance: Lindsay Levin, Nicole Ng, Derik Broekhoff, Oliver Geden, Elizabeth Willmott, Noorie Rajvanshi, Aaron Rutkoff, Gabrielle Walker, Annette Nazareth, Tasso Azevedo, Mowgli Holmes, David Fenton, Nyombi Morris, Rod Carr, Suzi Kerr, Genevieve Guenther)