Search Results - "Kagawa, Shigemi"

A generalized framework for analyzing car lifetime effects on stock, flow, and carbon footprint by Nakamoto, Yuya, Kagawa, Shigemi

“…This study proposes a new framework for estimating the effects of changes in the physical lifespan (PHL) of cars and the possession lifespan (POL) of new and…”
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Determinants of technical inefficiency in China’s coal-fired power plants and policy recommendations for CO2 mitigation by Nakaishi, Tomoaki, Kagawa, Shigemi, Takayabu, Hirotaka, Lin, Chen

“…This study applies data envelopment analysis (DEA) to estimate the technical efficiency (TE) and CO 2 emission reduction potential of 1270 coal-fired power…”
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Consumption in the G20 nations causes particulate air pollution resulting in two million premature deaths annually by Nansai, Keisuke, Tohno, Susumu, Chatani, Satoru, Kanemoto, Keiichiro, Kagawa, Shigemi, Kondo, Yasushi, Takayanagi, Wataru, Lenzen, Manfred

“…Worldwide exposure to ambient PM 2.5 causes over 4 million premature deaths annually. As most of these deaths are in developing countries, without…”
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CO2 mitigation through global supply chain restructuring by Maeno, Keitaro, Tokito, Shohei, Kagawa, Shigemi

“…This study develops an integrated analysis framework, called scenario-based extraction method (SEM) using four different input-output methods—unit structure…”
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Role of vehicle inspection policy in climate mitigation: The case of Japan by Nakamoto, Yuya, Kagawa, Shigemi

“…In 1951, the Japanese government introduced a vehicle safety inspection system and this system has an effect of shortening the ‘economic’ lifetimes of…”
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The role of vehicle lifetime extensions of countries on global CO2 emissions by Nakamoto, Yuya, Nishijima, Daisuke, Kagawa, Shigemi

“…This paper spatially extended the vehicle life-cycle analysis of a single country and developed a new method for vehicle life-cycle analysis by combining a…”
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Changes in the Carbon Footprint of Japanese Households in an Aging Society by Shigetomi, Yosuke, Nansai, Keisuke, Kagawa, Shigemi, Tohno, Susumu

“…As the aging and low birthrate trends continue in Japan, and as changes in the working population and consumption patterns occur, new factors are expected to…”
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An analysis of urban environmental Kuznets curve of CO2 emissions: Empirical analysis of 276 global metropolitan areas by Fujii, Hidemichi, Iwata, Kazuyuki, Chapman, Andrew, Kagawa, Shigemi, Managi, Shunsuke

“…•This study analyzed the relationship between urban CO2 emissions and economic growth.•Data covered 276 metropolitan cities in 26 countries for the years 2000,…”
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Global Flows of Critical Metals Necessary for Low-Carbon Technologies: The Case of Neodymium, Cobalt, and Platinum by Nansai, Keisuke, Nakajima, Kenichi, Kagawa, Shigemi, Kondo, Yasushi, Suh, Sangwon, Shigetomi, Yosuke, Oshita, Yuko

“…This study, encompassing 231 countries and regions, quantifies the global transfer of three critical metals (neodymium, cobalt, and platinum) considered vital…”
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Finding environmentally critical transmission sectors, transactions, and paths in global supply chain networks by Hanaka, Tesshu, Kagawa, Shigemi, Ono, Hirotaka, Kanemoto, Keiichiro

“…In this article, we develop an economic network analysis to find environmentally critical transmission sectors, transactions and paths in global supply chain…”
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CO2 emission clusters within global supply chain networks: Implications for climate change mitigation by Kagawa, Shigemi, Suh, Sangwon, Hubacek, Klaus, Wiedmann, Thomas, Nansai, Keisuke, Minx, Jan

“…•We present a model that represents global supply-chain networks.•We identified supply-chain clusters with high CO2 emissions.•The U.S. construction demand…”
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Critical supply chains for mitigating PM2.5 emission-related mortalities in India by Mitoma, Haruka, Nagashima, Fumiya, Kagawa, Shigemi, Nansai, Keisuke

“…Air pollution and its health-related effects are a major concern globally, and many people die from air pollution-related diseases each year. This study…”
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Hypothetical extraction, betweenness centrality, and supply chain complexity by Tokito, Shohei, Kagawa, Shigemi, Hanaka, Tesshu

“…Two frameworks, hypothetical extraction and betweenness centrality analysis, can be used to identify environmentally important sectors in complex supply…”
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Environmental and economic performance of a biodiesel plant using waste cooking oil by Eguchi, Shogo, Kagawa, Shigemi, Okamoto, Shunsuke

“…This paper evaluates the environmental and economic performance of a biodiesel plant by using the data envelopment analysis framework considering two outputs…”
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Conflicting consequences of price-induced product lifetime extension in circular economy: The impact on metals, greenhouse gas, and sales of air conditioners by Nishijima, Daisuke, Nansai, Keisuke, Kagawa, Shigemi, Oguchi, Masahiro

“…•Effects of product price rises on metal consumption, GHG, and sales are analyzed.•5% price rise reduces iron, copper, and aluminum use by 6, 1, and 2 thousand…”
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Global Mining Risk Footprint of Critical Metals Necessary for Low-Carbon Technologies: The Case of Neodymium, Cobalt, and Platinum in Japan by Nansai, Keisuke, Nakajima, Kenichi, Kagawa, Shigemi, Kondo, Yasushi, Shigetomi, Yosuke, Suh, Sangwon

“…Meeting the 2-degree global warming target requires wide adoption of low-carbon energy technologies. Many such technologies rely on the use of precious metals,…”
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MaTrace: Tracing the Fate of Materials over Time and Across Products in Open-Loop Recycling by Nakamura, Shinichiro, Kondo, Yasushi, Kagawa, Shigemi, Matsubae, Kazuyo, Nakajima, Kenichi, Nagasaka, Tetsuya

“…Even for metals, open-loop recycling is more common than closed-loop recycling due, among other factors, to the degradation of quality in the end-of-life (EoL)…”
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Fertility-rate recovery and double-income policies require solving the carbon gap under the Paris Agreement by Shigetomi, Yosuke, Nansai, Keisuke, Kagawa, Shigemi, Tohno, Susumu

“…[Display omitted] •The Japanese government seeks to raise the fertility rate and number of double-income households.•The carbon gap between the above policies…”
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Impacts of productive efficiency improvement in the global metal industry on CO2 emissions by Takayabu, Hirotaka, Kagawa, Shigemi, Fujii, Hidemichi, Managi, Shunsuke, Eguchi, Shogo

“…This study focused on 14 metal sectors of the 40 countries that are the largest CO2 emitters and developed a new analysis framework to estimate CO2 reduction…”
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Spatial autocorrelation analysis of the environmental efficiency of coal-fired power plants in China by Nakaishi, Tomoaki, Nagashima, Fumiya, Kagawa, Shigemi

“…Although many studies have analyzed the environmental efficiency of coal-fired power plants in China with the aim of reducing CO 2 emissions, there has been…”
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