MPR to Air Lecture About the Impact of Cars at Noon Friday St. Thomas Newsroom March 19, 2014 Minnesota Public Radio will broadcast a lecture given at the University of St. Thomas recently by Dr. Christopher Wells, associate professor of environmental history at Macalester College.Dr. Christopher WellsWells’ March 4 talk, “Nightmare or Love Affair? The History of Car Dependence in the United States,” can be heard at noon Friday, March 21, on the “Minnesota Public Radio News Presents” program at 91.1 FM. The program also can be heard via the Internet. Information is available here.The lecture was sponsored by the St. Thomas departments of History, Political Science, Geography, Environmental Studies and American Culture and Difference.Wells, who earned his doctorate in history from the University of Wisconsin-Madison, is author of many articles, chapters and the 2012 book Car Country: An Environmental History. His book analyzes the environmental changes associated with expanding automobile use and changes in automobile technology in the 20th century in the United States.