Our article focuses on the environmental security and sustainable development of large urban centres. In addition, it analyses demographic ecological situation in Russian Federation order to determine influence social economic factors as well growth hubs. The results demonstrate that there exists a necessity increase foster regions centres would lead better satisfaction with level life, lower m...

the objective of this study is to measure the city of tehran’s environmental quality in 2006 (the last census year). primarily, with a comparative analysis of a variety of urban sustainability indicator models, a collection of 54 indicators have been chosen and categorized as indicators of increase or decrease in urban environmental quality in the form of a simple mathematical model. based o...

one of the most important sectors of each city where the citizens social interaction occur and urban life flow carry, are public spaces. one conditions for people presence in these spaces is securing their social security sense. nowadays different factors such as cultural, social, economic and physical in cities public spaces, especially in big cities like tehran, have cause abnormal social beh...