1. Self-consciousness and the rights of nonhuman animals and nature -- 2. Animal liberation: a triangular affair -- 3. Environmental ethics and nonhuman rights -- 4. The ethics of respect for nature - 5. The significance of species -- 6. Moral considerability and extraterrestrial life -- 7. Foundations of wildlife protection attitudes -- 8. The rights of the nonhuman world -- 9. The mixed community -- 10. Taking sympathy seriously: a defense of our moral psychology toward animals -- 11. Animal liberation and environmental ethics: back together again