Dropping Out The InterDependence Project
Videos - Farming Models
Will Allen - Growing Power 

Aquaponics and Vermiculture

Permaculture  - A Food Forest

This clip is from the excellent dvd "Power of Community" by Community Solution.
Permaculture is by far the most resilient and once established takes by far the least
inputs in terms of both time, effort, and external inputs. 

Joel Salatin

Innovative Grass Fed Pasture Animal Husbandry