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> We know people can sustainably live at much higher densities than Africans currently do. Really? What are some places where people live sustainably at higher

> We know people can sustainably live at much higher densities than Africans currently do. Really? What are some places where people live sustainably at higher densities and at the same scale? 3 people sharing a sustainable farm doesn't count. You also have to account for the cities, which consume vastly more resources and produce vastly more waste.

nsp 9y ago
Cities are almost always wildly more efficient on a per capita basis than rural regions due to economies of scale.
- craftyguy 9y ago
  Yet, there are no sustainable cities. They still depend on vast supply chains that flow far outside their borders for resources and waste disposal.