14:14
How to respond to societal collapse | Sarah Wilson | TEDxSydney
14:25
Riots, disobedience and the philosophy of protests | Guy Aitchison | TEDxNewcastleCollege
9:40
The One Sure Way to Happiness in a Complex World | Shingirai Mutambirwa | TEDxLOTS Youth
17:00
Nonviolence or Nonexistence: Choice of the 21st Century | Arun Gandhi | TEDxAthens
16:13