Countdown

Journalist Orlando P. Bailey and TED’s Lindsay Levin and David Biello speak at Session 1 of TED Countdown Summit on July 11, 2023, at the Fillmore Detroit in Detroit, Michigan. (Photo: Gilberto Tadday / TED)

TED’s Logan McClure Davda and journalist Orlando P. Bailey host Session 5 of TED Countdown Summit on July 13, 2023, at the Fillmore Detroit in Detroit, Michigan. (Photo: Jasmina Tomic / TED)

TED Global Curator Bruno Giussani and Countdown co-founder Logan McClure Davda host the TED Countdown London Session on October 3, 2022. (Photo: Jason Gardner / TED)

Hosts Bruno Giussani and Christiana Figueres open Session 6 of Countdown Summit on October 15, 2021 in Edinburgh, Scotland. (Photo: Gilberto Tadday / TED)