How a rooftop farm feeds a city | Mohamed Hage | TEDxUdeM
13:12
Why is organic food so *#@! expensive?? | Ali Partovi | TEDxManhattan
14:20
Parlons de changements climatiques pour sauver des vies | Claudel Pétrin-Desrosiers | TEDxUmontreal
13:09
The Vertical Farm: A Keystone Concept for the the Ecocity : Dickson Despommier at TEDxWarwick 2013
15:17
Por que plantar uma horta é um ato político | Louis Albert De Broglie | TEDxLausanne
15:47
Aquaponics and a New Way of Thinking | Sam Fleming | TEDxCharlotte
16:39
Reanimating public space through sustainable design: Adrian Benepe at TEDxMiddlebury
13:07
From sand to soil in 7 hours | Ole Morten Olesen | TEDxArendal
14:40