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In order to effectively prevent coal mine accidents, we selected the most serious type of accident in coal mines&mdash, gas explosions&mdash, as the research object. Based on the accident causation model (24Model), we propose an action path and analysis steps of accidents caused by different employees in the organization. A gas explosion coal mine accident was analyzed using the 24Model and the proposed action path, and 12 unsafe actions, 3 unsafe states, 4 habitual behaviors, 10 safety management systems, and 10 safety cultures were obtained. Case analysis results show that by using the 24Model and path analysis the proposed effect can help employees to clearly identify the cause of the accident, to better understand the logical relationship with the causes of the accident, improve the effectiveness of training, and effectively prevent similar accidents. The 24Model and the proposed path can be used to comprehensively analyze the reasons for and help to effectively prevent coal mine gas explosion accidents.

By use of the ecological footprint model, this paper calculated the ecological footprint and ecological carrying capacity of Jixi mining area in 2009. On that basis, the ecological deficit and surplus of this region have been analyzed in depth. The result of analysis demonstrated that the mining area's ecological economy is unsustainable. At the last, this paper proposed some suggestions and countermeasures, which can be used to improve the sustainable development of this mining area.