He has worked extensively with NGOs and international agencies to analyze the impacts of industrial pollution on communities and workers, to advance alternative production practices that prevent environmental and health hazards, and to develop systems for monitoring multinational supply chains. He conducted one of the first independent assessments of Nike's manufacturing practices in Asia, documenting the occupational and environmental health hazards faced by Nike workers. Recent publications include "Reinventing Environmental Regulation from the Grassroots Up," in Environmental Management; "Industrial Ecology: A Critical Review," in the International Journal of Environment and Pollution; and "Ratcheting Labor Standards," in the Boston Review. He received his Ph.D. from the University of California, Berkeley.