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Open AccessArticle

Eco-Efficiency Assessment of Japanese Municipalities Based on Environmental Impacts and Gross Regional Product

1
Graduate School of Science and Technology, Keio University, 3-14-1 Hiyoshi, Kohokuku, Yokohama, Kanagawa 223-8522, Japan
2
Faculty of Science and Technology, Keio University, 3-14-1 Hiyoshi, Kohokuku, Yokohama, Kanagawa 223-8522, Japan
3
Faculty of Environmental Studies, Tokyo City University, 3-3-1 Ushikubonishi, Tsuzukiku, Yokohama, Kanagawa 224-0015, Japan
*
Author to whom correspondence should be addressed.
Sustainability 2019, 11(15), 4045; https://doi.org/10.3390/su11154045
Received: 6 April 2019 / Revised: 13 July 2019 / Accepted: 18 July 2019 / Published: 26 July 2019
(This article belongs to the Special Issue Local Government Responses to Catalyse Sustainable Urban Development)
Governments at different levels need to appreciate the environmental impacts of socioeconomic activities within their boundaries. They also need to decide relevant environmental policies after carefully examining future pathways based on the relationship between the environment and the economy. This study focuses on Japanese basic administrative divisions (i.e., municipalities) and attempts to quantify the annual environmental efficiency of processes and socioeconomic activities within each of these divisions using life-cycle impact assessment (LCIA) concepts. A key element of the LCIA is the integration of different environmental loads across various impact categories, such as global warming, air pollution, and land use, and their representation through a simple indicator. First, we conduct annual environmental impact assessments for all Japanese municipalities based on reliable, verifiable, and comparable statistical information. Next, we estimate the environmental efficiency of socioeconomic activities within each division by dividing the gross regional product (GRP) with the environmental damage amounts calculated through LIME2, an LCIA-based tool tailored for Japan. Assessment results for each municipality are visualized on maps of Japan in order to highlight the spatial distribution of the values for each indicator. The findings of this study can aid local, regional, and national governments in Japan to inform environmental policy design and decision-making at different spatial levels. View Full-Text
Keywords: LCIA method; local government; statistical information; gross regional product; environmental accounting LCIA method; local government; statistical information; gross regional product; environmental accounting
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Yamasaki, J.; Ikaga, T.; Itsubo, N. Eco-Efficiency Assessment of Japanese Municipalities Based on Environmental Impacts and Gross Regional Product. Sustainability 2019, 11, 4045.

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