Aldo Leopold's The Land Ethic"A thing is right when it tends to preserve the integrity, stability, and beauty of the biotic community. It is wrong when it tends otherwise." - Aldo Leopold, 1949. Originally published as Leopold, A. (1949). “The land ethic,” A Sand County Almanac: And Sketches Here and There, London: Oxford University Press, pp. 201-226. Reprinted with kind permission.