Futuristic Vertical Farming Sprouts Up In Tennessee Greenhouses04:08
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Mona Hitch tends to one of her 8-foot vertical farming towers. She says she and her husband eat salads grown "vertically" in their greenhouse every day. (Caroline Leland)MoreCloseclosemore
Mona Hitch tends to one of her 8-foot vertical farming towers. She says she and her husband eat salads grown "vertically" in their greenhouse every day. (Caroline Leland)

Vertical farming is like growing vegetables in a greenhouse on steroids. The industry includes methods like aquaponics, aeroponics and hydroponics. And it's predicted to reach almost $6 billion in revenues within the next five years.

One of the centers of vertical farming is Tennessee, where the technique is providing locally grown vegetables year-round. Caroline Leland (@CarolineLeland) reports from Here & Now contributor Nashville Public Radio.

This segment aired on June 26, 2017.

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