21:39

The Economics of Sustainability | Geoff Norby | TEDxErasmusUniversityRotterdam

16:19

Think Fast. Talk Smart | Matt Abrahams | TEDxMontaVistaHighSchool

18:06

Sustainable Apartments – A New Model for the Future | Jeremy McLeod | TEDxStKilda

17:37

5 Major Reasons Religion Is the No.1 Cause of Poverty in Africa | Rev Walter Mwambazi | TEDxLusaka

14:57

How to Build a Place-Based Economy Where You Live | Eric Kornacki | TEDxMileHigh