Assessing economy-wide eco-efficiency of materials produced in Japan

In Resources, Conservation and Recycling
Volume (Issue): Volume 194, July 2023, 106981
Peer-reviewed Article


  • Japan's economy-wide eco-efficiency of materials and its decomposition analysis are conducted for the first time.

  • More than 400 materials, 13 impact categories, and 4 life cycle stages were analyzed.

  • Material groups with a larger share of value added and environmental impact to national total, except for pig iron and crude steel, show lower eco-efficiency.

  • Resource consumption, land use, and global warming are the main impact categories and foreign supply chains is the major impact stage.

  • Circular economy and shift to renewable energy to raise eco-efficiency are proposed by material group, focusing on the trade perspective, economic and environmental contribution.

M.R. Dente