De-extinction: Hubris or Hope?: Hank Greely at TEDxDeExtinction
14:23
De-extinction may be inevitable, but we should still ask questions | Amy Fletcher | TEDxChristchurch
12:09
The First De-extinction: Alberto Fernandez-Arias at TEDxDeExtinction
17:33
Why renewables can’t save the planet | Michael Shellenberger | TEDxDanubia
17:19
Practicing hope: a survival guide for a world in crisis | Page Dina Lotze | TEDxRandburg
9:07
Extinction reversal? Don't count on it: David Ehrenfeld at TEDxDeExtinction
18:12
Inversiones sin dinero | Pao Almontes | TEDxUDLAP
8:35
Impact Writing: How writing can shape you and society | Eszter Brhlik | TEDxDonauinselSalon
12:35