GARDENS - Where Farming Is Headed, We Don't Need Soil

The concept of vertical farm "skyscrapers" was first imagined a little over a decade ago by Columbia University professor Dickson Despommier. Growing up - not out - Despommier contends, is one solution to the impending global food crisis and reducing energy consumption. By 2050, the World Health Organization estimates that seven out of 10 people will live in a city, while global population is expected to hit 9 billion. The United Natio ...

http://www.businessinsider.com/farmedhere-vertical-farming-chicago-201