One widely held view of the future of American agriculture is that it will continue the current trend toward fewer but larger farms, greater centralization and vertical integration, and declining rural populations. If so, the research, teaching and extension institutions created to serve agriculture will not survive unless they can adapt to changing political and demographic conditions, especially the domination of the suburbs. This will require these institutions to set new goals for themselves. Their historic pursuit of increased technical efficiency already has been so successful that it has sharply reduced the farm population, which has been their main base of public support. Suburban America, in contrast, will demand an agriculture that is more in harmony with nature. Alternative notions of the Common Good can provide the philosophical basis for this shift Historically, the economic system, including agriculture, has regarded nature as something to be used to advance human well-being. In this view (which could be called “Liberal” in the 19th century sense of the term), the reason to protect nature is to insure that it can continue to serve human needs. In contrast, the “Ecocentric” view of the Common Good emphasizes that humans are part of an ecological community, and that we must optimize the balance between human needs and the health of the ecosystem.