TAGAMI, Takahiko

Senior Coordinator, Manager, Climate Change Group, Climate Change and Energy Efficiency Unit
Fields of Study: Market Mechanisms


Bachelor of Liberal Arts (Human Geography and Interdisciplinary Social Sciences, University of Tokyo)

1993 M.Sc in Geography (University of Tokyo)
1988 Ministry of Health and Welfare
1997 Researcher, Japan Science and Technology Corporation (seconded to Institute of Agricultural Economics, Ministry of Agriculture, Forestry and Fisheries)
2001 Lecturer, Wako University
2003 Researcher, Institute of Energy Economics, Japan
2015 Member, Joint Implementation Supervisory Committee, United Nations Framework Convention on Climate Change

Research Papers

  • Tagami, T., 2022-, Global Energy Agenda, IEEJ website.
  • Tagami, T., 2016-2022, Update on Policies Related to Climate Change, IEEJ Newsletter.
  • Tagami, T., 2022, Trends in policies towards a decarbonized society and an outlook of energy resources post COVID-19, Journal of the Japanese Association for Petroleum Technology Vol. 87, No. 2 (in Japanese).
  • Tagami, T., 2016-2022, Outlook and Challenges for Climate Change Policy, IEEJ Energy Journal 11(1)-17(1).
  • IEEJ, 2014-2021, IEEJ Outlook, IEEJ website.
  • Tagami, T., 2020, Latest climate policies, and strategies of upstream energy companies towards a low carbon economy, Journal of the Japanese Association for Petroleum Technology Vol. 85, No. 2 (in Japanese).
  • Hagemann, M. et al., 2015, Development of sectoral indicators for determining potential decarbonization opportunity : A joint study by IEEJ and Ecofys, IEEJ website.
  • Tagami, T., 2011, Emerging International Offsets Regime post 2012: Unilateral measures taken by key market regulators, 16th SEEPS Annual Conference (in Japanese).
  • Tagami, T., 2001, Designing an environmentally friendly agricultural systems: Agriculture and the environment in Okinoerabu Island, Japan, Taiwanese Agricultural Economic Review Vol.6, No.2.
  • Tagami, T. et al., 2000, Designing an environmentally friendly system in an island: estimation of the environmental load from the agricultural production and the economic cost to the system, The Fourth International Conference on EcoBalance.


  • Tagami, T. 2022, ‘Climate change for developing countries,’ ‘What a green industrial strategy means,’ ‘What extent can forest remove CO2 ?,’ and ‘What are BECCS and DACCS ?,’ in Institute of Energy Economics, Japan ed., Energy Today found just in one book, Tokyo, Yomiuri Shinbun (in Japanese).
  • Tagami, T. 2015, The Latest development in multilateral negotiation and institution related to market mechanisms, in Furusawa, Adachi and Onoda eds., Giga tonne Gap, Tokyo, Alterna (in Japanese).
  • Tagami, T., 2005, Biogas in Thailand, in Kobayashi and Okamoto eds., Economic Development and the Environment in East Asia, Tokyo, Nihon Keizai Hyoronsha (in Japanese).


  • Current status and prospects of Japan’s climate change policy, 2020 International Climate Finance Forum.
  • Technical/Methodological Proposal for CDM Reform to Promote CDM Activities in LDCs, COP15 Side Event(Copenhagen, 2009).

Activity on Committee etc.

  • Society for Environmental Economics and Policy Studies (SEEPS)