AdvertisementChristiana Figueres: How Can We Choose Optimism — Even In The Darkest Times?Play14:56Download AudioMay 22, 2020NPR/TED STAFFfacebookEmailChristiana Figueres speaks at TED2016 - Dream, February 15-19, 2016, Vancouver Convention Center, Vancouver, Canada. Photo: Bret Hartman / TED (Bret Hartman / TED)
