PUBLICATIONS

Please check my Google Scholar or Scopus profiles for the latest information.

Journal Articles

• 28. Takuma Watari, Tomer Fishman, Hanspeter Wieland, and Dominik Wiedenhofer (2025)
  Global stagnation and regional variations in steel recycling
  Resources, Conservation and Recycling, 220, 1083637

• 27. Takuma Watari, Catrin Böcher, André Baumgart, Jonna Ljunge, and Dominik Wiedenhofer (2025)
  Mapping sand flows and stocks
  One Earth, 8, 2, 101197

• 26. Takuma Watari and Benjamin McLellan (2024)
  Decarbonizing the global steel industry in a resource-constrained future—a systems perspective
  Philosophical Transactions of the Royal Society A, 382, 2284

• 25. Takuma Watari and Benjamin McLellan (2024)
  Global demand for green hydrogen-based steel: Insights from 28 scenarios
  International Journal of Hydrogen Energy, 79, 19, 630-635

• 24. Hibiki Takimoto, Shoki Kosai, Takuma Watari, and Eiji Yamasue (2024)
  Circular economy can mitigate rising mining demand from global vehicle electrification
  Resources Conservation and Recycling, 209, 107748

• 23. Takuma Watari, Naho Yamashita, and André Cabrera Serrenho (2024)
  Net-zero embodied carbon in buildings with today’s available technologies
  Environmental Science & Technology, 58, 4, 1793-1801

• 22. Takuma Watari, André Cabrera Serrenho, Lukas Gast, Jonathan Cullen, and Julian Allwood (2023)
  Feasible supply of steel and cement within a carbon budget is likely to fall short of expected global demand
  Nature Communications, 14, 7895

• 21. Takuma Watari, Damien Giurco, and Jonathan Cullen (2023)
  Scrap endowment and inequalities in global steel decarbonization
  Journal of Cleaner Production, 425, 139041

• 20. Lulu Song, Stijn van Ewijk, Eric Masanet, Takuma Watari, Fanran Meng, Jonathan Cullen, Zhi Cao, and Wei-Qiang Chen (2023)
  China’s bulk material loops can be closed but deep decarbonization requires demand reduction
  Nature Climate Change, 13, 1136-1143

• 19. Takuma Watari, Zhi Cao, André Cabrera Serrenho, and Jonathan Cullen (2023)
  Growing role of concrete in sand and climate crises
  iScience, 26, 5, 106782

• 18. Yingchao Cheng, Takuma Watari, Jacopo Seccatore, Kenichi Nakajima, Keisuke Nansai, and Masaki Takaoka (2023)
  A review of gold production, mercury consumption, and emission in artisanal and small-scale gold mining (ASGM)
  Resources Policy, 81, 103370

• 17. Takuma Watari, Sho Hata, Kenichi Nakajima, and Keisuke Nansai (2023)
  Limited quantity and quality of steel supply in a zero-emission future
  Nature Sustainability, 6, 336-343

• 16. Takuma Watari, Zhi Cao, Sho Hata, and Keisuke Nansai (2022)
  Efficient use of cement and concrete to reduce reliance on supply-side technologies for net-zero emissions
  Nature Communications, 13, 4158

• 15. Ryosuke Yokoi, Takuma Watari, and Masaharu Motoshita (2022)
  Temporally explicit abiotic depletion potential (TADP) for mineral resource use based on future demand projections
  The International Journal of Life Cycle Assessment, 1-12

• 14. Ngoc Han Hoang, Tomonori Ishigaki, Takuma Watari, Masato Yamada, and Ken Kawamoto (2022)
  Current state of building demolition and potential for selective dismantling in Vietnam
  Waste Management, 149, 218-227

• 13. Takuma Watari, Stephen Northey, Damien Giurco, Sho Hata, Ryosuke Yokoi, Keisuke Nansai, and Kenichi Nakajima (2022)
  Global copper cycles and greenhouse gas emissions in a 1.5 °C world
  Resources Conservation and Recycling, 179, 106118

• 12. Ryosuke Yokoi, Takuma Watari, and Masaharu Motoshita (2022)
  Future greenhouse gas emissions from metal production: gaps and opportunities towards climate goals
  Energy and Environmental Science, 15, 146-157

• 11. Takuma Watari, Keisuke Nansai and Kenichi Nakajima (2021)
  Contraction and convergence of in-use metal stocks to meet climate goals
  Global Environmental Change, 69, 102284

• 10. Takuma Watari, Keisuke Nansai, Kenichi Nakajima, and Damien Giurco (2021)
  Sustainable energy transitions require enhanced resource governance
  Journal of Cleaner Production, 312, 20, 127698

• 9. Takuma Watari and Ryosuke Yokoi (2021)
  International inequality in in-use metal stocks: What it portends for the future
  Resources Policy, 70, 101968

• 8. Ryosuke Yokoi, Keisuke Nansai, Kenichi Nakajima, Takuma Watari and Masaharu Motoshita (2021)
  Responsibility of Consumers for Mining Capacity: Decomposition Analysis of Scarcity-weighted Metal Footprints in the Case of Japan
  iScience, 24, 1, 102025

• 7. Takuma Watari, Keisuke Nansai and Kenichi Nakajima (2021)
  Major metals demand, supply, and environmental impacts to 2100: A critical review
  Resources Conservation and Recycling, 164, 105107

• 6. Takuma Watari, Keisuke Nansai, Damien Giurco, Kenichi Nakajima, Benjamin McLellan and Christoph Helbig (2020)
  Global Metal Use Targets in Line with Climate Goals
  Environmental Science and Technology, 54(19), 12476-12483

• 5. Takuma Watari, Keisuke Nansai and Kenichi Nakajima (2020)
  Review of critical metal dynamics to 2050 for 48 elements
  Resources Conservation and Recycling, 155, 104669

• 4. Benjamin McLellan, Takuma Watari, Seiichi Ogata and Tetsuo Tezuka (2019)
  Resources-energy-development nexus and its implications for achieving the SDGs in Asia
  IOP Conference Series: Earth and Environmental Science, 136, 1

• 3. Takuma Watari, Keisuke Nansai, Kenichi Nakajima, Benjamin McLellan, Elsa Dominish and Damien Giurco (2019)
  Integrating Circular Economy Strategies with Low-Carbon Scenarios: Lithium Use in Electric Vehicles
  Environmental Science and Technology, 53, 20, 11657-11665

• 2. Takuma Watari, Benjamin McLellan, Damien Giurco, Elsa Dominish, Eiji Yamasue and Keisuke Nansai (2019)
  Total material requirement for the global energy transition to 2050: A focus on transport and electricity
  Resources Conservation and Recycling, 148, 91-103

• 1. Takuma Watari, Benjamin McLellan, Seiichi Ogata and Tetsuo Tezuka (2018)
  Analysis of Potential for Critical Metal Resource Constraints in the International Energy Agency’s Long-Term Low-Carbon Energy Scenarios
  Minerals, 8(4), 156

Book Chapters

• 1. Damien Giurco, Elsa Dominish, Nick Florin, Takuma Watari and Benjamin McLellan (2019)
  Requirements for Minerals and Metals for 100% RE Scenarios
  In Teske, S. (Eds) “Achieving the Paris Climate Agreement Goals: Global and Regional 100% Renewable Energy Scenarios to achieve the Paris Agreement Goals with non-energy GHG pathways for +1.5℃ and +2.0℃”, Springer

Invited Lectures/Talks

• 22. Takuma Watari “How circular is our economy?“, The Consortium for Process Metallurgy, Japan, 2025/2/13

• 21. Takuma Watari “The role of timber buildings in decarbonisation“, Wood Utilisation System Study Group, 2024/12/23

• 20. Takuma Watari “Life Cycle Assessment in the Circular Economy: Case Studies“, Advancing responsible minerals for the energy transition, 2024/10/28

• 19. Takuma Watari “What are the key measures to decarbonise the industrial sector?“, Sustainable Infrastructure Research Group, 2024/5/10

• 18. Takuma Watari “Decarbonising the global steel industry in a resource-constrained future – a systems perspective“, The Royal Society Scientific Meeting (Sustainable metals: science and systems), 2024/2/5

• 17. Takuma Watari “An industrial ecology perspective on decarbonisation“, Japan Society of Civil Engineers, 2023/12/26

• 16. Takuma Watari “Steel flow structure in Japan and the world“, Symposium to celebrate the third anniversary of the establishment of the CEN (Climate Emergency Network), 2023/11/21

• 15. Takuma Watari “Limited quantity and quality of steel supply in a zero-emission future“, IOP Publishing Environmental Research 2023, 2023/11/15

• 14. Takuma Watari “Resource use and carbon neutrality“, NIES and UTLCA seminar, 2023/10/13

• 13. Takuma Watari “Concrete and carbon neutrality“, Japan Society of Civil Engineers, 2023/10/2

• 12. Takuma Watari “How should we use materials in a zero-emission future?“, Kyoto University IAESREC Science Cafe, 2023/9/14

• 11. Takuma Watari “Materials systems in a zero-emission world“, University of Cambridge FIBES Lunchtime Seminar, 2023/5/25

• 10. Takuma Watari “Limited quantity and quality of steel supply in a zero-emission future“, JEMS Inc., 2023/5/9

• 9. Takuma Watari “The role of materials in climate change mitigation“, Tohoku University, 2022/8/3

• 8. Takuma Watari “Bulk material cycles at national level in a zero-emission future“, 12th session of the ISIE SEM Online Perpetual Conference, 2022/7/21

• 7. Takuma Watari “The availability of copper – a perspective from science“, 14th Copper Academy, 2022/6/30

• 6. Takuma Watari “Critical material risks in the global energy transition“, 9th Japan-U.S. Bilateral Meeting on Rare Metals, 2022/3/10

• 5. Takuma Watari “The role of critical minerals and resource governance in sustainable energy transitions“,
  Australia Japan Symposium: Critical minerals for climate change mitigation – Reducing risks in lithium supply chains, 2021/12/10

• 4. Takuma Watari “Metal production, utilization, and recycling systems in a carbon-neutral world“,
  Metal Economics Research Institute, Japan, 2021/11/10

• 3. Takuma Watari “The impact of carbon constraints on global metal cycles“,
  JX Nippon Research Institute for Technology & Strategy Co., 2021/10/11

• 2. Takuma Watari “Contraction and convergence of metal stocks“,
  The Iron and Steel Institute of Japan, 2021/9/3

• 1. Takuma Watari “Critical materials demand in the green transition: a review“,
  ISIE Socioeconomic Metabolism Section perpetual online conference, 2020/10/9