Analysis of environmental Performance of Tehran Metropolis based on Indicators Green City Approach(Case Study: Central and Southern Regions)

Today's Cities affected by the industrial Revolution have had a profound Impact on the Development Process, so that today they are recognized as the main Causes of instability in the World, and any measures of global Sustainability depend on urban Sustainability. The Metropolis of Tehran has witnessed many Changes in recent Decades, especially in the field of Environment. Therefore, in order to get out of the destructive Consequences of traditional and different Development Patterns and Approaches in Tehran Metropolis, the use of environmentally friendly Approaches such as the Green City Approach in the Development Process of this Metropolis and achieving sustainable urban Development is very important. The present research is theoretical-applied in terms of Type, descriptive-analytical in terms of Study method, survey-library in terms of Data collection Method and a questionnaire based on Likert Scale. The Purpose of this Study is to determine the environmental Status of the central and southern Regions of Tehran Metropolis based on the Indicators of the Green City Approach. Therefore, first, using Entropy Method, 32 quantitative Indicators in the form of 7 Criteria were weighed and then, using the TOPSIS Technique in Excell software, a comparison of central and southern Regions of Tehran Metropolis was performed to achieve the Research Goal. The Results show that most of the southern Regions of Tehran are in agreement with the Indicators of the Green City Approach, and accordingly, Regions 12 and 16 are in the best and Regions 10 and 17 are in the worst environmental Condition.