Exploring the Urban Community: A GIS Approach.Richard P. Greene and James B. Pick; From Love Canal to Environmental Justice: The Politics of Hazardous Waste on the U.S.-Canada Border.Tom Fletcher; Street Science: Community Knowledge and Environmental Health Justice.Jason Corburn; Power, Justice, and the Environment: A Critical Appraisal of the Environmental Justice Movement.David Naguib Pellow and Robert J. Brulle, eds.