Vaclav Smil (Czech pronunciation: [ˈvaːtslaf ˈsmɪl];[1] born 9 December 1943) is a Czech-Canadian scientist and policy analyst.[2] He is Distinguished Professor Emeritus[3] in the Faculty of Environment at the University of Manitoba in Winnipeg, Manitoba, Canada. His interdisciplinary research interests encompass a broad area of energy, environmental, food, population, economic, historical and public policy studies. He has also applied these approaches to energy, food and environmental affairs of China.