Sangwon Suh’s research focuses on the sustainability of the human-nature complexity through understanding materials and energy exchanges between them. He has been working on the theoretical foundations and practical applications of Life Cycle Assessment (LCA) and Industrial Ecology. In particular, Dr. Suh has contributed to the applications of Input-Output Analysis (IOA) to hybrid LCA, Material Flow Analysis (MFA), and ecological network analysis; normalization and allocation in LCA; international standardization of LCA and carbon footprinting; development of LCA databases and policy-support tools; and understanding the drivers of Greenhouse Gas emissions and climate change. Dr. Suh was appointed a member of the International Resource Panel by the United Nations Environmental Programme (UNEP) and is the Coordinating Lead Author of the Assessment Report 5 by the Intergovernmental Panel on Climate Change (IPCC).