A central concern of nearly every environmental ethic is its desire to extend the scope of direct moral concern beyond human beings to plants, nonhuman animals, and the systems of which they are a part. Although nearly all environmental philosophies have long since rejected modernity's conception of individuals as isolated and independent substances, few have replaced this worldview with an alternative that is adequate to the organic, processive world in which we find ourselves. In this context, Brian G. Henning argues that the often overlooked work of Alfred North Whitehead has the...