We humans value a great variety of plant and animal species for their usefulness to us. But what is the value--if any--of a species that offers no practical use? In the face of accelerating extinctions across the globe, what ought we to do? Amid this sea of losses, what is our responsibility? How do we assess the value of nonhuman species? In this book, naturalist and philosopher Edward L. McCord explores urgent questions about the destruction of...