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Can a City Feed Itself?
(www.bloomberg.com)
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this post was submitted on 08 Jul 2023
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No, not with today's tech and without using energy to replace sunlight. Once we have an abundant source of renewable power then yes, maybe. But the question would then become "why?". Cities are dense for reasons that cause residential buildings to be more profitable than vertical farms. Unless you remove those reasons I think cities will prefer to import food from the countryside
Yes, it's about how far they should be importing from. Many could probably do 80% of vegetables within ~20miles if the land around cities was used for horticulture rather than horses.
I agree with you on this. Once you get past the suburbs you can grow. I'm not going to give any links or anything, but all of the old cities and towns used to be ringed by agriculture. It could be viable again.
That's just me woolgathering.