K. Akimoto, F. Sano, J. Oda, Impacts of ride and car-sharing associated with fully autonomous cars on global energy consumptions and carbon dioxide emissions, Technological Forecasting and Social Change, Vol. 174, Nov. 2, 2021, Online

K. Akimoto, F. Sano, J. Oda, H. Kanaboshi, Y. Nakano, Climate change mitigation measures for global net-zero emissions and the roles of CO2 capture and utilization and direct air capture, Energy and Climate Change, Vol.2, Sep. 17, 2021, Online

N. Wang, K. Akimoto, G. F. Nemet, What went wrong? Learning from three decades of carbon capture and sequestration (CCS) pilot and demonstration projects, Energy Policy, Vol. 158, Sep. 1, 2021, Online

M. Harmse, E. Kriegler, D. Vuuren, K. Wijst, G. Luderer, R. Cui, O. Dessens, L. Drouet, J. Emmerling, J. Morris, F. Fosse, D. Fragkiadakis, K. Fragkiadakis, P. Fragkos, O. Fricko, S. Fujimori, D. Gernaat, C. Guivarch, G. Iyer, P. Karkatsoulis, I. K. Kimon, Keramidas, A. Koberle, P. Kolp, V. Krey, Christoph Kruger, F. Leblanc, S. Mittal, S. Paltsev, P. Rochedo, B. Ruijven, R. Sands, F. Sano, J. Strefler, E. Arroyo, K. Wada, B. Zakeri, Integrated assessment model diagnocstics: key indicators and model evolution, ENVIRONMENTAL RESEARCH LETTERS, Vol. 16, No. 5, May. 10, 2021

M. Sugiyama, S. Fujimori, K. Wada, J. Weyant, Introduction to the special feature on energy scenarios for long-term climate change mitigation in Japan, Sustainability Science, Vol. 16, pp 347–353, Feb. 24, 2021

M. Sugiyama, S. Fujimori, K. Wada, K. Oshiro, E. Kato, R. Komiyama, D. S. Herran, Y. Matsuo, H. Shiraki, J. Yiyi, EMF 35 JMIP study for Japan’s long-term climate and energy policy: scenario designs and key findings, Sustainability Science, Vol.16, pp 355–374, Feb. 17, 2021

A. Hayashi, An Analysis on Global Food Access Under Net-Zero Emission Scenarios with Consideration of Direct Air Capture and Carbon Storage, Fourteenth IAMC (The Integrated Assessment Modeling Consortium) Annual Meeting, Dec.2, 2021

K. Akimoto, F. Sano, Pathways to carbon neutrality in transport sector: electric vehicles, synthetic fuels, or fossil fuels with negative emission technologies, Fourteenth IAMC (The Integrated Assessment Modeling Consortium) Annual Meeting, Dec.1, 2021

K. Akimoto, Potential impacts of digitalization on global energy consumptions and their quantitative and systematic analyses of fully autonomous cars, International Energy Workshop (IEW), Jun. 14, 2021, Germany

K. Akimoto, Scenario Analyses for 2050 Carbon Neutrality in Japan, IRENA Forum, Jun. 8, 2021

K. Akimoto, Economic Analyses on CCS by using an Energy Systems and Climate Change Mitigation Model, Japan-Asia CCUS Forum 2020, Oct. 6, 2020, Japan

T. Nagata, F. Sano, K. Akimoto, Analysis on the contribution of natural gas as mid- and long-term countermeasure for global warming, International Gas Union Research Conference 2020, Feb. 24, 2020, Oman

A. Hayashi, An Analysis on Net-zero GHG Emissions: Impacts on Global Land Use and Food Access in the Case Where Direct Air Capture Is Considered as One of Negative Emission Technologies, The 40th Japan Society of Energy and Resources, Aug. 2, 2021

K. Wada, Net Zero Emission Strategies of the U.S., China, and the EU, The 37th Conference on Energy, Economy, and Environment, Jan. 27, 2021

H. Kanaboshi, F. Sano, K. Akimoto, Analyses on Climate Change Mitigations Considering Synthetic Fuel Options for Different Emission Reduction Pathways, The 37th Conference on Energy, Economy, and Environment, Jan. 27, 2021

N. Ohnishi, K. Akimoto, Analysis on Voluntary Actions for GHG Emissions Reduction in Japanese Industires, The 37th Conference on Energy, Economy, and Environment, Jan. 27, 2021

Y. Nakano, F. Sano, K. Akimoto, An Outlook for Climate Change Mitigation Measures in the Aviation Sector and Analyses of Their Impacts on Global Energy Balances, The 37th Conference on Energy, Economy, and Environment, Jan. 27, 2021

A. Hayashi, T. Homma, K. Akimoto, An analysis of Impacts of Food Wastage Reductions in Japan by Using Information Technologies on Global Energy Consumption and GHG Emissions, The 37th Conference on Energy, Economy, and Environment, Jan. 27, 2021

K. Akimoto, Application of quantum computing technology to carbon neutrality, Quantum Computing Technology Symposium 2021, Dec. 19, 2021

K. Akimoto, Investing in decarbonized power sources in electricity liberalization, Electrical Review, Dec. 10, 2021

K. Akimoto, The role of nuclear power in carbon neutrality and final disposal of high-level radioactive waste, Amagasaki Minami Rotary Club, Dec. 2, 2021

K. Akimoto, Pathway to 2050 Carbon Neutrality -Systematic measures for energy supply and road transportation-, Innovative Environmental Technology Symposium, Dec. 1, 2021

K. Akimoto, Prospects and Challenges for 2050 Carbon Neutral, Energy Technology Committee of The Japan Iron and Steel Federation, Nov. 26, 2021

K. Akimoto, 2050 Carbon Neutral Analysis, Workshop at Japan Society of Energy and Resources, Nov. 22, 2021