This book states the opposing case in present controversies about the nature and existence of moral rights and the moral status of animals and it reaches conclusions which run strongly against contemporary opinion.

A conception of an environmental ethic is set forth which involves postulating that nonconscious natural objects can have value in their own right, independently of human interests. Two kinds of objection are considered: those that deny the possibility of developing an ethic ofthe environment that accepts this postulate, and those.that deny the necessity of constructing such an ethic. Both types of objection are found wanting. The essay condudes with some tentative remarks regarding the notion of inherent value.

In a thoughtful reassessment of the meaning of life and death, a noted philosopher offers a new definition for life that contrasts a world dependent on biological maintenance with one controlled by state-of-the-art medical technology. Tour.

We live in an age of great scientific and technological innovation, and what seemed out of the question or at least very doubtful only a few years ago, today lies almost within our grasp. In no area is this more true than that of human health care, where lifesaving and life-enhancing technologies have given, or have the enormous potential in the not so distant future to give, relief from some of the most terrible human illnesses. On two fronts in particular, (...) xenograft or cross-species transplantation and genetic engineering of animals on behalf of gene therapy in humans, such relief appears very promising, if not actually on the horizon. Certainly, extensive research work on both fronts is underway both in the United States and abroad. (shrink)