In this Thursday, Nov. 10, 2016 photo, Tim Dobbins, manager of grower training and support, shows off a raft of lettuce grown with an aquaponics system, in Montello, Wis. Water to grow plants is the same water used to grow fish, that are raised in separate tanks, in part to prevent fish from eating away at the roots of the plants. The entire operation is enclosed in a greenhouse for year round production regardless of climate. (Barry Adams /Wisconsin State Journal via AP)
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