Improve the Quality of Urban Life with Emphasis on Green Buildings in the Mashhad Metropolis

The increasing growth of the urban population and the vertical and horizontal expansion of cities have caused many problems for urban communities. Since the late twentieth century and the beginning of the twenty-first century, much attention has been paid to the quality of the environment in urban communities and the promotion of urban living standards. The emergence of different schools of thought and some terms such as ecosystem and green urbanism are examples of these efforts. One of the studied and new solutions in urban planning and urban design is the maximum use of vertical green surfaces such as gardens, roofs and green walls in order to reduce the adverse effect of the environment in cities. The present study is aimed to investigate the role and effect of green roofs and walls in increasing the quality of the environment in Mashhad metropolis. This research is applied and has been conducted by descriptive-analytical method. There were 42 questionnaires in the Delphi groups, which was analyzed based on hierarchical analysis. The results of this study showed that the three indicators of physical, aesthetic and environmental factors are among the most important parameters in increasing the quality of urban life and among these factors ,the increase in urban green space per capita and the development of urban green buildings with a coefficient of importance of 5.7 and 4.6 percent in the environmental criteria, respectively, have the highest rank in improving the quality of the urban environment in Mashhad metropolis.