The three familiar categories of "economy," "society," and "environment"--staples in discourses of sustainable development--constitute a hegemonic formation that widely and problematically shapes the landscape of imagination and contestation, rendering particular, historically-produced relations seemingly inevitable and closing down possibilities for more generative and ethical modes of relationship. At the same time, however, economy, society, and environment are categories in crisis, and the world they aspire to organize and discipline is already escaping their clutches.