You can download this week’s second feature here or listen in the embedded player.

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Vertical Farm

It takes an area the size of the entire state of Virginia just to provide the food that New York City’s 8 million residents consume. Professor Dickson Despommier says that by stacking planting fields vertically, like a highrise apartment tower, food can be grown far more efficiently.

You can see the complete episode here: TGM #206 – Tar Sands river pollution study and Vertical Farming (September 10, 2010)