With world food prices skyrocketing, city farming seems like the next logical step to make sure urban communuties are self-sustainable. Fresh produce from skyscrapers may not be as far fetched as you think them to be. Not only will they supply food, living next to a garden skyscraper may be an enticing addition for city residents. The idea is to build self-sustaining structures to generate more energy, water and food than their occupants would consume. Check out more mind blowing designs at the link below.

>Web Urbanist- 5 Urban Design Proposals for 3D City Farms