Chicago's no waste 'vertical farm'

An old meatpacking plant on Chicago's South Side is being transformed into an eco farm, which its founders says will produce food sustainably, while creating zero waste.

Source: http://rss.cnn.com/~r/rss/edition_world/~3/3jmR2-UMliw/index.html

Rihanna Pippa Middleton Paul Cameron Diaz