Background and Objective: The aim of this study was to survey, identify training needs, Tehran Municipality staff about environmental issues and the educational model which is based on the DACUM model. Method: For this purpose, the population of 1331 people formed the staff of Tehran Municipality 2. Studied a random sample of 310 participants were identified. Tools for data collection questionnaire which its validity confirmed and its reliability was confirmed by calculating Cronbach's alpha coefficient above 0. 7 calculated. Data were analyzed using MATLAB software. Findings: Environment is one of the most vulnerable aspects that have always been threatened. Protection of the environment is a national duty. In a way that should be the responsibility of individual and society to preserve it, and the municipality as one of the custodians plays a vital role in this regard. Discussion and Conclusion: The results showed there are significant differences between different levels of educated staff which means staffs with higher education diploma need higher level of training compare to the two other groups with underground and postgraduate degrees.