Environmental policy expert Vivian E. Thomson is former Professor in the Departments of Environmental Sciences and Politics at the University of Virginia, where she was on the faculty from 1997 to 2017 and where she directed the Environmental Thought and Practice BA Program. She has been an air pollution policymaker at the national and state levels in the USA and she has been Distinguished Fulbright Professor of American Studies in Denmark.  http://www.evsc.virginia.edu/thomson-vivian/