What is intrinsic value? What is the origin of value? Are people always superior to nature? This book is a philosophical analysis of the human relationship to the non-human world. It is a pioneering study of the philosophy of nature-conservation in relation to the discussion of intrinsic value. Vilkka develops a naturalistic or naturocentric theory of value that is based on ethical extensionism and pluralism. Vilkka analyzes natural values and environmental attitudes: zoocentrism, biocentrism, and ecocentrism. This book forms a taxonomy for nature having intrinsic value. The theory of...