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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Huge upfront capital costs. The entire global GDP couldn’t make that switch in five years.
Also, political problems. There are literally hundreds of millions of dirt farmers who aren’t in love with your plan to repurpose their land and put them out of a job.
And a lot more. Civilization-scale vertical farming (and similar kinds of ag innovations) is a far-future idea that probably has legs, but it’s not a do-it-now plan.
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