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To meet rising food demands from a growing global population, over 250 million acres of arable land will be needed – about 20% more land than all of Brazil. Alternatively, agricultural production will need to be more productive and more sustainable using our present acreage. Meeting future needs requires investment in alternative practices such as urban and vertical farming as well as existing indoor and covered methods. Ray Kurzweil, futurist, inventor and Google’s Director of Engineering, said in an interview in The Times in 2013: There will be a new vertical agriculture revolution, because right now we use up a third of the usable land of the world to produce food, which is very inefficient. Instead we will grow food in a computerized vertical factory building (which is a more efficient use of real estate) controlled by artificial intelligence, which recycles all of the nutrients so there’s no environmental impact at all. Fully automated regional vertical farms for leafy greens and other commodity crops has long been a vision of the future. Capital costs and other vagaries have prevented such development to date, but lower costs for technology and automation plus higher costs for labor, land and other resources, are making Kurzweil’s predictions come true. There are dozens of vertical farms around the world today with more being built. Spread , a Japanese factory farmer with a large facility near Kyoto that serves the two metropolitan areas of Kyoto and Osaka, is nearing completion of a fully automated 52,000 sq ft facility where 98% of water will be recycled and seeding, watering, applying fertilizer and harvesting will all be automated. No earth; just shelves on top of shelves from floor to ceiling. They predict 30,000 heads of lettuce can be harvested and delivered daily throughout the year. Propelling this […]