Cities should be able to manage themselves and be self-sustaining, with a single energy input. This article presents the idea of natural cities.
Links:
[1] http://admin.indiaenvironmentportal.org.in/feature-article/natural-cities
[2] http://admin.indiaenvironmentportal.org.in/category/author/vikram-soni
[3] http://admin.indiaenvironmentportal.org.in/category/author/arvind-virmani
[4] http://admin.indiaenvironmentportal.org.in/category/journal/economic-and-political-weekly
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/habitat-and-urbanisation
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/green-buildings
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/urban-water-supply
[8] http://admin.indiaenvironmentportal.org.in/category/thesaurus/urban-sanitation
[9] http://admin.indiaenvironmentportal.org.in/category/thesaurus/urban-transport
[10] http://admin.indiaenvironmentportal.org.in/category/thesaurus/architecture
[11] http://admin.indiaenvironmentportal.org.in/category/thesaurus/public-transport
[12] http://admin.indiaenvironmentportal.org.in/category/thesaurus/cycles
[13] http://admin.indiaenvironmentportal.org.in/category/thesaurus/food-supply
[14] http://admin.indiaenvironmentportal.org.in/category/thesaurus/migration
[15] http://admin.indiaenvironmentportal.org.in/category/thesaurus/urban-encroachments
[16] http://admin.indiaenvironmentportal.org.in/category/thesaurus/india