Environmental ethics would greatly benefit from an adequate metaphysical foundation. In an attempt to demonstrate the value of Whitehead’s metaphysical system as such a foundation, I first discuss five central tenets of his thought. I then compare aspects of his philosophy with Peter Singer’s utilitarianism, Tom Regan’s rights theory, Aldo Leopold’s land ethic, and Spinoza's system in order to indicate how aWhiteheadian approach can solve the difficulties of the other views as currently developed, and provide the basis for an environmental (...) ethics which values individual entities in themselves and in their connectedness in a purposive natural order. (shrink)