I know it's not that simple, but for example how are you going to build hydroponics without mining, smelting, pumping water, treating water, electricity generation, storage, concrete production, transportation et cetera, et cetera, all eating up acres.
I know it's not that simple, but for example how are you going to build hydroponics without mining, smelting, pumping water, treating water, electricity generation, storage, concrete production, transportation et cetera, et cetera, all eating up acres.