Sustainable urban development is the important part in country's sustainable development.
One of the important points in Agenda 21 was about human settlement and a sheltr for all and also
having 3 sound and sustainable development with knowing the envitonments capacity. These items were disscussed in the Habitat 2 converence (Istanbul
1996).
IN this papr sustainable development and its points, Agenda 21 with its important sections and also subjects which concern with sustainable ciy planning will be discussed.
By having a literature review and a brief on the important points we Can find a sustainble planning issue.
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