Dr. Popper is a Professor of Geography at the College of Staten Island and Graduate Center of the City University of New York and, with her husband Frank Popper, at Princeton University. Her work has focused on how large regions and urban areas adjust to environmental pressures and population loss. With her husband, Frank Popper of Rutgers University, she developed the concept of the Buffalo Commons, a metaphor that has served as a guide for a future based on ecological restoration. She is currently working on developing comparable alternatives for other American regions. In addition to serving on the governing board of the American Geographical Society, she is also on the National Center for Frontier Communities board. Dr. Popper is a Paul P. Vouras Medalist.