عنوان مقاله [English]
Increasing the concentration of greenhouse gases, as an important factor in changing the world's climate And small changes in climate conditions, in many cases is related to the rate and severity of acute natural disasters and economical impacts as well. In this paper, the association of the co2, as the most important greenhouse gas, with financial development, GDP per capita and trade openness iran is investigated using fuzzy regression during ۱۳92-۱۳57. fuzzy regression estimation a range of the possible values for the outcome variable whilst the classical regression estimate only a certain For the outcome variable. According to the results GDP, trade openness, financial development has a positive impact on co2 emission, whereas excess increases in GDP has negative impact on carbon dioxide emission. Due to the rising the carbon dioxide in Iran, the need for development of new environmental policies to protect the environment.the need for development of new environmental policies to protect the environment.