Abstract
In this study, the change of the material flow involved in Kitakyushu Eco-town and the factor of distance according to substance are analyzed along with the result of the material flow investigation over multiple years. Furthermore, this can be deleted the rate of reduction for natural resources, the rate of usage for energy and the rate of reduction for final disposal are also analyzed. The subjects of this research are 18 enterprises located in Kitakyushu Eco-town in 2005, 23 enterprises in 2010 and 21 enterprises in 2015. Based on material flow data grasped by questionnaire survey and interview survey, visualize network structure and analyze factors of change in CO2 reduction amount and its acceptance substance and its change, reveal long term change in Kitakyushu Eco-town did. The results show that not only material flow and haul distance but also environmental indicators were changed by companies located in Eco-town.