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Title Democratic Legitimacy Of The Smart City: A Case Study Of Yokohama
ID_Doc 18278
Authors Tsuji Y.
Year 2025
Published Smart Cities and Japan's Energy Transition: Past, Present, and Future
DOI http://dx.doi.org/10.4324/9781003471448-12
Abstract This chapter examines Yokohama's smart city model from a constitutional and administrative law perspective. The City of Yokohama, Kanagawa Prefecture, in its Co-Do30 (Yokohama City, 2008), has set the following goals: the City of Yokohama aims to reduce per capita greenhouse gas emissions by 60% or more from the 2004 level by FY2050 (Yokohama City, 2020a). To achieve this goal, Yokohama aims to reduce per capita greenhouse gas emissions by at least 30% of the 2004 level by FY2025 and increase the 2004 level for renewable energy by ten times. The city of Yokohama will establish a social system utilising low-carbon technologies in energy, buildings, and transportation. The city is trying to incorporate four elements into its smart city: scale, speed, sophistication, and user satisfaction. First, the city will actively adopt technologies that are one step ahead of practical application and demonstrate the technologies. Second, to spread the proven technology, service forms and new businesses are introduced on a trial basis to demonstrate economic feasibility. Third, the goal is to spread the established services as a social system through wide-area diffusion. The city of Yokohama is trying to introduce renewable energy in designated areas, solar thermal energy in welfare facilities in the city, and river water heat pumps in buildings. Each local government in Japan is experimenting with the development of smart cities, with the hope that one successful example will spread to other local governments. This manuscript makes clear that the Constitution requires the democratic legitimacy of private participation in planning. © 2025 selection and editorial matter, Maciej M. Sokolowski and Fumio Shimpo. All rights reserved.
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