The adverse effects of the global warming have been increasing for last 10 years. This situation affects the quality of the life of all living things negatively. Especially, the greenhouse gases emitted to the atmosphere intensely by the industrialized countries is one of the main causes of the global warming. Besides, there are lots of factors that affect global warming such as waste, the fossil fuels, increasing number of the motor vehicles in the cities, destruction of the green areas. In this study, considering the criteria such as changes in rainfall and temperature the degree of the cities affected by global warming has been examined as a Multi Criteria Decision Making Problem and has been analyzed by the fuzzy integral approach. With respect to the related degree, determining the most affected cities the present study helps us order the quality of life in the cities. Furthermore the study may be helpful for the time and the level of precautions that would be taken in the cities.