Indicators of urban sustainable development

In the recent decades, urbanization has affected social, economical, cultural, political and physical aspects of human life-style. Presentation of sustainable development as one of the goals of the third millennium is derived from the effects of cities on earth and on different aspects of human life. Undoubtedly, talking about sustainability and sustainable development would be impossible without paying attention to cities and urbanization. Cities are considered as the main factors of unsustainability; and urban sustainability and global sustainability are actually unique concepts. Considering the complexity of the nature of the cities and their different aspects of affecting on various subjects, identifying the main factors is necessary for achievement of urban sustainability. The writer of this article tries to explain the indicators that are of great importance in urban and global sustainability.