Wonderful idea, but it still needs to be hooked to the power grid. (Energy in food going out) > (Small area of solar panels and wind turbines + small percentage of food energy recycled from sewage, coming in) This statement: “With waste in and food out, a vertical farm would be like a perpetual-motion machine that feeds a lot of people,” is wrong. He forgot to mention that the waste no longer includes the energy that was used to power 50,000 human bodies.
Wonderful idea, but it still needs to be hooked to the power grid. (Energy in food going out) > (Small area of solar panels and wind turbines + small percentage of food energy recycled from sewage, coming in) This statement: “With waste in and food out, a vertical farm would be like a perpetual-motion machine that feeds a lot of people,” is wrong. He forgot to mention that the waste no longer includes the energy that was used to power 50,000 human bodies.
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