Hmm, reminds me of an article I just read on Singapore's Vertical Commercial Farm.
I have come across an interesting, if creepy, vision of a society organized as a rigidly segmented agricultural community to combat and enforce a low-energy mode of life. The whole things is pretty dystopian, but the images are breathtaking:
The War Rooms, by Ned Scott – 2012 : socks-studio
...and for possibilities concerning a more responsible if not "utopian" agrarian future, this is a really great watch.
Arsheesh I think the singapore link is pretty cool, I enjoy fresh garden veggies :-)