CO2 emission clusters within global supply chain networks: Implications for climate change mitigation |
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| Institution: | 1. Faculty of Economics, Kyushu University, 6-19-1 Hakozaki, Higashi-ku, Fukuoka 812-8581, Japan;2. Bren School of Environmental Science and Management, University of California Santa Barbara, CA 93106-5131, USA;3. Department of Geographical Sciences, University of Maryland, College Park, MD 20742, USA;4. School of Civil and Environmental Engineering, UNSW Australia, NSW 2052, Australia;5. Center for Material Cycles and Waste Management Research, National Institute for Environmental Studies, Tsukuba 305-8506, Japan;6. Potsdam Institute for Climate Impact Research (PIK), Telegrafenberg, 14473 Potsdam, Germany;1. Department of Industrial Engineering, Istanbul Sehir University, Uskudar, Istanbul 34662, Turkey;2. Department of Civil, Mechanical and Environmental Engineering, University of New Haven, West Haven, CT 06516, United States;3. Walton Sustainability Solutions Initiatives, Julie Ann Wrigley Global Institute of Sustainability, Arizona State University, Tempe, AZ 85281, United States;1. College of Economics and Trade, Hunan University, Changsha 410006, China;2. Collaborative Innovation Center of Resource-Conserving and Environment-Friendly Society and Ecological Civilization, Changsha 410012, China;3. College of Economics and Management, Changsha University of Science & Technology, Changsha 410004, China;1. State Key Laboratory of Water Environment Simulation, School of Environment, Beijing Normal University, Beijing 100875, China;2. NAAM Group, Faculty of Science, King Abdulaziz University, Jeddah, Saudi Arabia;3. Department of Geographical Sciences, University of Maryland, College Park, MD 20742, USA;4. Tyndall Centre for Climate Change Research and School of International Development, University of East Anglia, Norwich NR4 7TJ, UK;5. Department of Mathematics, Quaid-i-Azam University 45320 Islamabad, Pakistan;1. Department of International Economics and Business, School of Economics, Xiamen University, Xiamen 361005, China;2. Collaborative Innovation Center for Energy Economics and Energy Policy, School of Economics, Xiamen University, Xiamen 361005, China |
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| Abstract: | Production and consumption of goods and services are interlinked through complex global supply-chain networks; so are the greenhouse gas emissions associated with them. Using a model that represents global supply-chain networks, we identified supply-chain clusters with high CO2 emissions within more than 300 million individual supply chains. We distinguished 4756 significant CO2 clusters and found that in 2008, global supply-chain networks associated with U.S. transport equipment and construction demand included relatively large CO2 clusters in China, accounting for 17% and 10%, respectively, of the U.S. CO2 footprint. Of added importance is the fact that these two clusters in China had annual growth rates of 42% and 58%, respectively, during the period 1995–2008. Our results show the importance for climate policy of monitoring these CO2 clusters that dominate CO2 emissions in global supply chains, and they offer insights on where climate policy can be effectively directed. |
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| Keywords: | Emission transfers Global value chains Complexity Multiregional input-output analysis Cluster analysis |
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