“…in roughly 50 years farming as we know it will no longer exist. This means that the majority of people could soon be without enough food or water. But there is a solution that is surprisingly within reach: Move most farming into cities, and grow crops in tall, specially constructed buildings.”
Dickson D. Despommier, from A Farm on Every Floor, NYT
Hanging Garden Tower- NYC - Libeskind Designs
(via iheartmyart and The PopTech Blog)