GX & Decarbonization Research

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This paper describes the development and application of a multi-objective optimization tool for regional renewable energy mix. The tool enables efficient renewable energy deployment plans considering regional characteristics.

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This paper analyzes two risks in Japan's energy transition: 'energy Galapagosization' (isolation of Japan's unique energy system) and mineral resource risk (supply constraints for critical minerals). It offers implications for Japanese ener…

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This paper analyzes greenhouse gas emissions from agriculture using inventory data, identifying major sources and trends. It provides insights into the current status and reduction pathways for agricultural emissions.

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This paper analyzes Japanese municipal decarbonization measures and their impact on regional economies, discussing specific policies and economic effects to inform policy making.

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This survey examines the role and challenges of supply chain engagement in industrial decarbonization. It analyzes the importance of collaboration and information sharing among firms, as well as barriers to effective supply chain decarboniz…

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This paper evaluates the greenhouse gas (GHG) balance of crop production using life cycle inventory (LCI) analysis. It quantifies emissions and removals from fertilization and soil management, and was awarded the Japan Society of Soil Scien…

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This study develops and quantitatively evaluates technologies to reduce greenhouse gas emissions from paddy rice agriculture, focusing on methane reduction. It assesses the effectiveness of various mitigation techniques for rice paddies.

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This paper discusses integrated transport and energy policies to achieve decarbonization, focusing on EV adoption and renewable energy use to reduce transport emissions. It presents a vision of a prosperous transport society and analyzes po…

Asahi Ueda, Ryo Nukina, Junichi Imanishi

This study uses the WRF regional climate model to simulate the potential cooling and carbon reduction effects of various urban greening strategies in Kyoto City. It finds that increased vegetation can significantly lower surface temperature…

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This paper proposes a method to create an inter-regional input-output table that accounts for output curtailment of variable renewable energy sources. It supports the analysis of next-generation energy systems, enabling evaluation of grid o…

Osamu Nishiura, Shinichiro Fujimori, Ken Oshiro

This study develops a CGE model incorporating DAC and CCUS technologies. Under a 1.5°C scenario, DAC captures 14.3 GtCO2/yr (12.8 Gt for CDR, 1.51 Gt for synfuel). DACCS reduces economic impacts of emission cuts, but irrational synfuel choi…

Minoru Fujii

This paper explores how optimal allocation of waste for energy utilization can promote carbon neutrality. It proposes a model that considers waste types and regional characteristics to maximize energy recovery and reduce emissions.

Wang Zhibo, Haijun Xing, Yang Kun +3

This paper proposes a distributionally robust optimization scheduling method for an electricity-hydrogen-ammonia-carbon integrated energy system, addressing wind-solar uncertainties and multi-energy collaboration. It models renewable uncert…

Novrianty Rizky, Elisa Kusrini, Muhammad Ridwan Andi Purnomo +3

Proposes a multi-objective optimization model for Japan's green hydrogen supply chain, integrating imported hydrogen carriers and renewable energy. Analyzes trade-offs among cost, environmental impact, and energy efficiency, identifying fea…

Yiting Weng, K. Kokubu, A. Belal +1

This study examines integrated reporting as an organizational practice in a Japan-based company using Schatzki's practice theory. Through longitudinal fieldwork from 2019 to 2022, it reveals that integrated reporting enactment is a negotiat…

Casey A. Williams

This article critically examines the 'Texas Model'—the narrative that deregulation and market forces drive renewable energy growth. It argues that this model is constructed to support a depoliticized, market-driven transition narrative. How…

Kenji Shiraishi, Won Young Park

This paper examines the trade-offs between cost, supply feasibility, and emissions for imported biomass used in power generation in Japan, considering domestic resource constraints. It provides insights into optimal procurement strategies u…

Issei Sato, Hiroto Toda, Tomohiro Yoshida +4

This study assesses the greenhouse gas balance of producing biomass fuel from eucalyptus plantations established on former Japanese cedar and cypress forests. It evaluates the temporal carbon dynamics, including emissions from land-use chan…

Aditia Ramdhan, Andante Hadi Pandyaswargo, Hiroshi Onoda

This study assesses green hydrogen readiness in Indonesia using stakeholder interviews and technology readiness level (TRL) evaluation. Seven key factors including infrastructure, policy, and finance are identified. Findings show the techno…

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This paper assesses renewable energy potential using GIS and applies it to Kyushu region, Japan. It identifies suitable areas for renewable energy deployment through spatial analysis, supporting regional energy transition planning.