1. Overpopulation, markets, and human rights.
2. Energy, economics, and future generations.
3. Competing human-centered values.
4. Animal liberation and utilitarianism.
5. Animal rights and medical research.
6. Species diversity and Gaia.
8. Human rights, agriculture, and biodiversity.
9. Ecofeminism and environmental justice.
11. Personal choices, consumerism, and human nature.
12. Public policies, efficiency, and globalization.
Final reflections: is optimism justified?