US city adopts eco-friendly vertical farming
Chicago is trying a novel approach to grow crops indoors and help meet demand.

Published On 14 Dec 2013
America’s midwest is one of the great agricultural zones of the world. The wheat, corn and soybean fields feed millions around the world.
And to help meet demand, farmers are trying a novel approach – they’re growing their crops indoors.
Al Jazeera’s John Hendren reports from Chicago.
Source: Al Jazeera