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A comment on Sudan, last male northern white rhino, dies in Kenya. Parent comment

Re:Sudan, last male northern white rhino, dies in Kenya by nsp on Tuesday March 20, 2018 @11:36AM (#16629467)
Cities are almost always wildly more efficient on a per capita basis than rural regions due to economies of scale.
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Re:Sudan, last male northern white rhino, dies in Kenya by craftyguy on Tuesday March 20, 2018 @07:52PM (#16633943)
Yet, there are no sustainable cities. They still depend on vast supply chains that flow far outside their borders for resources and waste disposal.
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