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Purpose: The transportation industry has the largest growth in the production of greenhouse gases, and reducing the share of pollutants produced by this industry is one of the most important challenges of climate change programs. As one of the most important and developing sectors in global transportation, air transportation plays an important role in economic growth, but this industry also has a great impact on climate change by producing greenhouse gases. Nowadays, much attention is paid to policies, and studies related to them have been done in order to reduce the effects of air transportation on weather. Improving the environmental performance of the aviation industry is one of the important issues of this industry. In Iran, attention to environmental issues in air transportation has recently been considered by researchers and managers. Due to the lack of research in this field, until now a specific model including the dimensions and components of the environmental policy has not been presented in the air transport industry. It is a partial view and the lack of a comprehensive model in which all environmental dimensions and components are taken into account, and the policy maker can respond to the growing demand for attention to the environment at the national and international level while developing. The present study has been conducted with the aim of presenting the structural equation model of green policy in air transportation. Design/methodology/approach: This research is exploratory-applied in terms of purpose, and in terms of sequential exploratory design, in terms of type, it is mixed (qualitative, quantitative), and in terms of descriptive-survey method. This research is sequential in terms of time, and in terms of weight, it is more towards the first stage. The statistical population in the qualitative section includes 14 air transportation experts and climate change researchers. The statistical population in the quantitative part includes experts and managers of the civil aviation organization as the main policymakers of the air transport industry, with a number of 331 people and a sample size of 178 people. Sampling was done in the qualitative part by a targeted method and in the quantitative part by a simple random method. The data collection tool in the qualitative part is a semi-structured interview, which continued until theoretical saturation was reached and was analyzed using Brown and Clark's theme analysis, in the form of six stages of getting to know the data, forming primary codes, searching for selective codes, and forming themes. Secondary, naming the main themes, and reporting were done, and the initial model was prepared using the three-pronged model. The model was examined in the quantitative part using a questionnaire and the partial least squares method and SmartPLS software. In order to make a green policy in the aviation industry, it is better to pay attention to the structural, contextual, content, and environmental dimensions, respectively. Research Findings: The findings show that green policymaking in aviation has 4 main dimensions and 14 components. The structural dimension (0.889) is the most important; the contextual dimension (0.865), the content dimension (0.756), and the environmental dimension (0.466) are in the next position. The goodness of fit criterion of the research conceptual model (0.662) shows a strong fit of the model. In order to make a green policy in the aviation industry, it is better to pay attention to the structural, contextual, content, and environmental dimensions, respectively. Limitations & Consequences: If research is done in airlines, other results may be obtained; airlines pay more attention to economic issues, and environmental issues are of secondary importance. Practical Consequences: The current research can serve as a practical guide for policymakers to pay attention to various dimensions of environmental issues in the direction of sustainable development. Innovation or value of the Article: For the first time, this research presents the green policy model in aviation in Iran and makes it available to this industry. [ABSTRACT FROM AUTHOR]

Objective: Today, how environmental policies are made, how effective they are, and how they can or should be improved is a matter of concern for governments. Therefore, the purpose of this research is to prioritize environmental policy issues of the Islamic Republic of Iran. Methods: The method of conducting this research is based on the analysis of mutual/structural effects. Also, the statistical population of this research consists of 10 experts in the field of environmental policies, consisting of professors of the Faculty of Management, Economics, Mathematical Sciences and Statistics of Semnan University, with the conditions of having a specialized doctorate in the field of public policy and policy and a ten-year scientific-research experience in The field of activities is the country's environmental policies. The data of this research was collected through semi-structured interviews and a qualitative questionnaire scoring from 0 to 3 according to the Micmac matrix. Also, the data analysis is based on the output of Mikmak software. Results: In the final ranking of Mi'kmaq's influence and dependence in the discussion of environmental influence or civic participation and the formation of the green economy, they were able to allocate the most influence among the issues, and the dynamism and agility of the administrative system has the least influence among the issues in the discussion of the dependence of environmental issues in the order of improving behavior Environmental citizenship and environmental civic participation had the most dependence or influence, and the agility of the administrative system had the least dependence among the issues. Conclusions: The implementation of environmental policies can help the country to participate and cooperate with other countries to deal with national and international environmental challenges. Environmental civil partnership works alongside the government's green economy formation in a synergistic and mutually reinforcing manner to support increased inclusion, transparency and accountability in environmental policy governance. [ABSTRACT FROM AUTHOR]