In the middle of America's most urban metropolitan area, the world's largest vertical farm is about to deliver its first harvest of sweet, leafy baby greens.

In a warehouse just outside New York City, near Newark, New Jersey, this 70,000 square-foot indoor farm will produce two million pounds of fresh produce every year once it is in full bloom

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The vertical farm can grow 70 times more food per square foot than farmers can raise in an open field. Because the facility recirculates water, it uses only 5% as much water and half as much fertilizer, which often pollutes nearby streams.

AeroFarms achieves its high production by staggering crops throughout the year. The company is able to switch between 22 different crops featuring roughly 250 varieties of fruit and vegetables.

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The crops will be marketed to people in New York City, less than an hour away, to cut down on both the cost and pollution of transportation. The first "planting" at the Newark facility took place in March and the first harvest will feature leafy summer greens.

The Newark facility is one of four vertical farms the company is operating, with more projects underway across the U.S. and abroad.

(WATCH the video below from WCBS News) - Images courtesy of AeroFarms

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