Foster Brown, senior scientist at Woods Hole Research Center and recipient of the Chico Mendes Forest Citizenry prize, is an environmental geochemist whose research interests focus on global environmental change and sustainable development in the southwestern Amazon Basin. He coordinates the Center’s program dealing with climate change and land use in the trinational southwestern Amazonia. Dr. Brown spent over twenty years as a faculty member of the Graduate Program in Environmental Geochemistry at the Federal Fluminense University in Niteroi, Brazil, and is currently on the faculty of the Federal University of Acre, Brazil. He earned his doctorate in environmental geochemistry at Northwestern University.