Ch. 1 Ethics, Science, and the Environment -- Ch. 2 Ethical Theory and the Environment -- Ch. 3 Forests, Pollution, and Economics -- Ch. 4 Ethics, Energy, and Future Generations -- Ch. 5 Duties to the Natural World -- Ch. 6 Duties to Animals -- Ch. 7 Biocentric Ethics -- Ch. 8 Ecology and Ethics -- Ch. 9 The Land Ethic -- Ch. 10 Deep Ecology -- Ch. 11 Social Ecology and Ecofeminism

1. Human ecology -- Moral and ethical aspects
2. Environmental ethics