TENG Haijian, a professor in History School at Liaoning University, the director of the Research Center for Eco-Environmental History of Liaoning University, studied in History department at Northeast Normal University, the department of Economics at Inner Mongolia Normal University, and the History College at Nankai University successively, and has received a bachelor’s degree in history, a master’s degree in economics, and a doctor’s degree in history respectively. From 2001 to 2002, he was invited to make academic visits in the department of History at Peking University. He is one of the Liaoning University academic echelon members at the third level. He is engaged in the field of environmental history, covering a wide range of American environmental history, Chinese environmental history, the man-earth relationship of West Liao River Upstream Region North to China in prehistoric and historical periods, and so on. Up to now, he has taken charged of two National Social Science Fund projects, participated in another two national projects, and has presided over seven provincial projects. What’s more, he has published more than 80 theses in the national Chinese core journals such as Historiography Quarterly, World History, Journal of Historical Science and other CSSCI source journals.