Food in the sky? Highrise farming idea gains ground

Imagine stepping out of your highrise apartment into a sunny, plant-lined corridor, biting into an apple grown in the orchard on the fourth floor as you bid "good morning" to the farmer off to milk his cows on the fifth.

Video: The farm of the future?

There's a new trend in agriculture called vertical farming. As humans learned to farm, we arranged plants outside in horizontal fields, and invented irrigation and fertilizer to grow bumper crops.

'Vertical Farm' envisions tall future for farming

(AP) -- A new book by an urban agriculture visionary aims to change the way people think about farming, offering a look into a future where city skyscrapers - not rural fields - produce the world's food.

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