Justin B. Hollander, AICP, is Assistant Professor in the Department of Urban and Environmental Policy and Planning at Tufts University. He is the author of� Polluted and Dangerous: America's Worst Abandoned Properties and What Can Be Done About Them. � Niall G. Kirkwood FASLA is Professor of Landscape Architecture and Technology and Director for the Center for Technology and Environment inat the Graduate School of Design at Harvard University He is the author of Manufactured Sites: Rethinking the Post-Industrial Landscape. � Julia L. Gold is the Director of the Green Center at Bristol Community College.� She recently received a Master's in Arts from the Department of Urban and… Environmental Policy and Planning at Tufts University.