GX & Decarbonization Research

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This study uses GIS to analyze how changes in the lifespan of wooden houses affect timber supply-demand and carbon fixation in Wakayama Prefecture, Japan. It suggests that extending house lifespan enhances carbon storage while fluctuating t…

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This paper discusses the future of wood resource utilization in Japan in the context of SDGs, the Paris Agreement, and the UN Forest Strategic Plan. It advocates for the establishment of a unique bioeconomy society, emphasizing the importan…

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This paper presents the development of a system that integrates district renewal and energy planning to support the formation of low-carbon cities. It describes the system design, implementation, and validation.

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This paper reviews the current utilization of household energy data and identifies challenges for future use, including data collection, privacy, and technical barriers. It focuses on smart meter data utilization in Japan and its limitation…

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This paper proposes a design method for biomass co-firing systems that optimizes resource distribution and transportation costs, maximizing CO2 reduction by improving power plant siting and fuel procurement efficiency.

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This study examines the greenhouse gas reduction effects of biofuel production on abandoned farmland. It highlights the potential of utilizing idle land for renewable energy, contributing to decarbonization.

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This paper quantitatively evaluates the CO2 emission reduction effect of introducing an offline heat supply system that utilizes factory waste heat. Based on a specific case study, it demonstrates the reduction potential and economic feasib…

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This paper proposes transmission line network development for wind farm areas in Hokkaido using GIS. It addresses grid capacity constraints due to increasing wind power, offering efficient route design and cost evaluation. Provides practica…

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This study analyzes the environmental and economic benefits of converting unused thinning wood (forestry residue) into powder fuel. It evaluates carbon emission reductions, cost-effectiveness, and feasibility, promoting biomass energy from …

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This paper introduces a global environmental database aimed at facilitating the use of environmental data for research and policy-making.

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This paper reviews the current status and future prospects of data infrastructure for responding to socio-environmental changes, including domestic and international examples and DATA-EX. DATA-EX is a Japanese initiative for sharing sustain…

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This paper examines the resource properties and future supply outlook of lithium-ion batteries. It analyzes supply-demand forecasts for critical minerals like lithium, essential for electric vehicles and renewable energy storage. The study …

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Life cycle assessment of bio-PET bottles using sugarcane-derived raw materials. Evaluates greenhouse gas emission reductions compared to conventional PET. Demonstrates that bio-based materials effectively reduce environmental impacts.

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This paper discusses the formulation of Product Category Rules (PCR) for carbon footprint calculation of uniforms. It addresses practical challenges and solutions, contributing to improved accuracy in supply chain emissions accounting.

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This study estimates the carbon footprint of conventionally cultivated Koshihikari rice from the Tosō region of Chiba Prefecture, Japan. It quantifies greenhouse gas emissions from paddy fields, fertilizer use, and other inputs. The finding…

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This case study examines methods for calculating CO2 emission reduction contributions from electronic components. It presents a calculation framework and application examples, providing practical insights for industrial decarbonization.

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This paper reviews the current status and future prospects of EcoLeaf, Japan's Type III environmental declaration program based on LCA. It analyzes the adoption, challenges, and potential for reducing environmental impact across supply chai…

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This lecture discusses assessment of emission reduction contributions using LCA, focusing on quantification methods for indirect emission reductions of products and projects.

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This paper proposes a method to estimate CO2 emissions in the sales process of a food supermarket, disaggregated by store characteristics and item categories. Through a case study, it derives emission factors per store scale, location, and …

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This paper assesses life cycle CO2 emissions and waste from cosmetics. While specific methodology and results are unknown, it may contribute to reducing environmental impact in the cosmetics industry.