In this study, the mid-and-long term roadmap for CO
2 reduction utilizing local resources in accordance with energy supply-demand structure in greater Nagoya was developed. Delphi method for figuring out realistic amount of implementation for CO
2 reduction toward low carbon society was conducted. In the case of utilizing local resources to a maximum extent, 60% of CO
2 reduction compared to the 1990 level would be achieved in 2050. According to Delphi analysis, it was estimated that only 21% of CO
2 reduction would be accomplished. It was indicated that policy integration between urban planning and energy supply-demand, institutional innovation for leading implementation of measures in local level, and making effective use of economic incentive.
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