Salvatore Engel-Di Mauro is Professor in the Department of Geography at SUNY New Paltz. Research interests include critical physical geography, socialist movements, soil degradation, urban soils, and trace element contamination. He is chief editor for the journal Capitalism Nature Socialism.George Martin is Emeritus Professor, Montclair State University and Visiting Professor, Centre for Environment & Sustainability, University of Surrey. He is a senior research fellow at the Center for Political Ecology, University of California, Santa Cruz, and advisory board member for Capitalism Nature Socialism at Routledge. His focus is urban environmental sociology. Professor Martin's recent publication was Sustainability Prospects for Autonomous Vehicles with Routledge in 2019.