this post was submitted on 14 Jan 2024
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Dense cities are way more efficient than living spread out on the countryside.
Infrastructure cost is lower per person, because higher density means less km of pipes, wires, roads etc. per person. Mass transit is also more efficient in both monetary and resource cost than cars, but it is only viable with the density of a city.
I live 3 min by foot from the grocery store. Medium/high rise buildings and mixed zoning make that possible. Idk if you are thinking of American style suburbia, which is indeed very inefficient.
The farmland needed should be the same either way, but centralising stuff usually makes it more efficient. For example a cities grain needs can be met with a single freight train, which should use less energy than the same amount of grain transported in many small trucks to smaller towns