Supply risk footprints per unit GHG reduction on low-carbon energy technologies

Keisuke Nansai

National Institute for Environmental Studies

Specializing in analysis of environmental systems, I have developed IOA, LCA, and MFA methods and have conducted several case studies of energy, GHG, and critical metals for Japan. My current interest is the criticality assessment of metal resources and the future scenario analysis on the resources. I am working to develop analytical methods using IOA and network theory to characterize the global flows of the resources.


The life cycle of metal resources begins with mining and proceeds via material processing and product manufacture and use to possible recycling, reuse, remanufacturing, or final disposal. Today, this entire process is rarely... [ view full abstract ]


  1. Keisuke Nansai (National Institute for Environmental Studies)
  2. Sangwon Suh (University of California, Santa Barbara)
  3. Kenichi NAKAJIMA (National Institute for Environmental Studies)
  4. Shigemi Kagawa (Kyushu University)
  5. Yasushi Kondo (Waseda University)

Topic Areas

• Environmentally and socially-extended input-output analysis , • Life cycle sustainability assessment


TS-6 » Footprint studies (09:45 - Tuesday, 27th June, Room I)

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