Bicycle Mark takes an in depth look into Verical Farming in thie podcast.
vertical farming

CitizenReporter.org » bm269 Vertical Farming and the New Agricultural Revolution
Urban Farming With a Twist: No Labor Required!
For many in the city, having a garden or farm is what they think an impossibility. In San Francisco, My Farm will create and cultivate anywhere from 4' by 4' to a whole yard, for you, and harvest a box a week, plus share what extra is grown via a CSA scheme.
Gorgon Graff’s SkyFarm Concept Meant For Downtown Toronto!
Toronto scientist Gordon Graff has constructed plans for a 58-floor concept building called the “Sky Farm”, (2.7 million square ft. of floor area and 8 million square ft. of growing area), which would grow crops in the heart of Toronto’s downtown theatre district. This could potentially provide enough food for 35,000 people every day. Though the design and construction would be very expensive, Graff believes that the farm could reap about $23,000,000 in annual revenue.

The Sweetest Little Greenhouse on Wheels!
I came across this greenhouse built in the back of a pick-up truck today in Brooklyn, Ny.  A couple other passerbys stopped to take photos and speculate about the story behind this super-cool mobile greenhouse. Tucked under the rear door was a note somebody had left for the owner of the truck. It read "This is the sweetest little greenhouse on wheels. Everytime I see it i feel happy. Thanks." Â