Dr. Yuyu Liu is a professor at Institute of Sustainable Energy, Shanghai University, China. He received his Ph.D. in Environmental Engineering from Yamaguchi University, Japan in 2003. He then worked at Kyushu Environmental Evaluation Association, Osaka Institute of Technology, Tokyo University of Agriculture and Technology, Yokohama National University as Postdoctoral and Research Fellow. From 2010 to 2016, he was the assistant professor and associate professor of the Graduate School of Environmental Studies, Tohoku University, Japan. Dr. Liu has more than 10 years of experience in the environment science and technology, particularly in the areas of air quality monitoring, water and soil research, and their associated instrument development. Recently, his research interest is moving to the electrochemical reduction of CO2 to low-carbon fuels. He is also the members of Japan Society on Water Environment, Japan Society of Material Cycles and Waste Management, and Board Committee Members of International Academy of Electrochemical Energy Science.