This book offers a powerful response to what Varner calls the "two dogmas of environmental ethics"--the assumptions that animal rights philosophies and anthropocentric views are each antithetical to sound environmental policy. Allowing that every living organism has interests which ought, other things being equal, to be protected, Varner contends that some interests take priority over others. He defends both a sentientist principle giving priority to the lives of organisms with conscious desires and an anthropocentric principle giving priority to certain very inclusive interests which only...

This book offers a powerful response to what Varner calls the "two dogmas of environmental ethics"--the assumptions that animal rights philosophies and anthropocentric views are each antithetical to sound environmental policy. Allowing that every living organism has interests which ought, other things being equal, to be protected, Varner contends that some interests take priority over others. He defends both a sentientist principle giving priority to the lives of organisms with conscious desires and an anthropocentric principle giving priority to certain very inclusive interests which only...

R.M. Hare was one of the most important ethical theorists of the 20th century, and one of his graduate students, Peter Singer, became famous for his writings on animals and personhood. Singer now says that he endorses Hare's "two-level utilitarianism," and he has invoked the theory's distinction between "critical thinking" and thinking in terms of "intuitive level rules" in response to certain objections to his conclusions on several issues. Hare, however, never published a systematic treatment of how his theory applies to issues in animal ethics, and he avoided the concept of "personhood."...