Dai-Yeun Jeong is presently the Director of Asia Climate Change Education Center and an Emeritus Professor of Environmental Sociology at Jeju National University in South Korea. He received BA and MA Degree in Sociology from Korea University (South Korea), and PhD in Environmental Sociology from The University of Queensland (Australia). He was a Professor of Sociology at Jeju National University (South Korea) from 1981 to 2012. His past major professional activities include a Teaching Professor at the University of Sheffield in UK, the President of Asia-Pacific Sociological Association, a Delegate of South Korean Government to UNFCCC, a Delegate of South Korean Government to OECD Environmental Meeting, and a Member of Presidential Commission on Sustainable Development, Republic of Korea, etc. He has published 60 environment-related research papers in domestic and international journals and 13 books including Environmental Sociology. He has conducted 91 unpublished environment-related research projects funded by domestic and international organizations.