Reviving the American forest with the American chestnut | William Powell | TEDxDeExtinction
13:40
The return of the chestnut -- a tree crop archetype | Hill Craddock | TEDxUTChattanooga
17:35
Second chance for tasmanian tigers and fantastic frogs: Michael Archer at TEDxDeExtinction
12:46
An American Tragedy, How a Mass Extinction Can Help Save Our Forest | Rex Mann | TEDxYoungstown
20:13
Restoring the ancient Caledonian Forest | Alan Watson-Featherstone | TEDxFindhorn
17:42
A Theory You've Never Heard Of | Michael Robinson | TEDxUniversityofHartford
17:54
What you don't know about hearing aids | Juliëtte Sterkens | TEDxOshkosh
17:39
From landscape architecture to conservation agriculture | Thomas Woltz | TEDxCharlottesville
15:03