Green wall contains 45 varieties of vegetables


Some believe that in less polluted areas, green walls could be employed to grow food, which could aid urban food security. Biotecture have successfully trialled a wall which grew 45 varieties of vegetable.

Source: Matthew Knight, "Green walls create new urban jungles," CNN, Jan. 31, 2012. http://edition.cnn.com/2012/01/30/world/europe/green-wall-clean-air/inde... [verified 4/22/14]

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