We aim to develop a method for analyzing the efficiency and environmental impact of basic materials throughout their life cycle, including production, use, recycling, and disposal, using objective measures. This research addresses the growing international concern over the sustainability of material consumption. We will evaluate how improvements in material properties, such as strength and lifespan, and analyses of material flows and future trends, including recycling impurities, affect sustainability. Our goal is to identify the best practices for material management, incorporating an international recycling network, and to propose policies to governments and industries for optimal material management.

1. T.Hoshino, Y.Matsuno, Y.Adachi: “Analysis of the power consumption of IT equipments in information societies”, Development Engineering, 17(2011) 79-92
2. T.Hoshino, Y.Matsuno, Y.Adachi: “Estimate and Forecast of Worldwide Internet Users and Installed Base Personal Computers”, Development Engineering, 18(2012) 71-82
3. T.Hoshino: ”Technological Challenges for Decommissioning and Contaminated Water Management of Fukushima Daiichi Nuclear Power Plant”, Development Engineering, 24(2018) 55-75