J. Timmons Roberts is Professor of Sociology and Director of the Mellon Program in Environmental Science and Policy at the College of William and Mary. He is author of Chronicles from the Environmental Justice Frontline, and From Modernization to Globalization. Nikki DemetriaThanos works in MDexico as a Popular Educator and Political Analyst for Witness For Peace, a US-based non-profit organization. She studied environmental policy and Latin American studies at Tulane University, and has conducted research in Costa Rica, Cuba, Guatemala, MDexico and the Andes.