The transition to vertical farming, would IMHO, allow regular farmland to transition to forest — which would help offset carbon — and reduce the cost for regular farmers bc the crops would grown in a more-controlled environment. So, what’s the holdup?
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Who’s going to pay the startup cost for building all these vertical farms? Regular farming you basically just start growing in any piece of arable land. Vertical farms require building a large building, all those racks of stacked planters/crates/whatever, lights, plumbing, etc. The demands for lighting – and consequently electricity – would especially be significant.
Then there’s the fact that vertical farms are primarily used for small plants, like cabbages, tubers, and herbs. High caloric density foods like corn, wheat, and rice aren’t grown in vertical farms.
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