This volume interrogates the interplay of knowledge, nature, and value. Emphasizing the relationship between power and knowledge in the production of environmental facts and values, the authors urge us to pursue diverse and often marginalized forms of knowledge as a necessary first step toward a more egalitarian praxis of environmental science. Debates over natures value tend to pit instrumentalist valuations of nature against intrinsic values, or ethically rich "cultural" values versus ethically empty economic values. The opening contributions to this volume explore how knowledge is produced...