Part I: Sustainability in Relation to Science, Law, and Ethics. 1. The Concept of Sustainability: A Critical Approach; L.K. Caldwell. 2. Sustainability and Environmental Ethics; K. Shrader-Frechette. 3. Ecological Sustainability as a Conservation Concept; J.B. Callicott, K. Mumford. 4. Investigating Individual Motives for Environmental Action: Lexicographic Preferences, Beliefs and Attitudes; C.L. Spash. 5. Biocentrism and Ecological Integrity; J.P. Sterba. 6. Burden of Proof Requirements and Environmental Sustainability: Science, Public Policy, and Ethics; J. Lemons. Part II: Sustainability and Ecological Integrity: Problems in Natural Resources. 7. Water Resources: Agriculture, the Environment, and Ethics; D. Pimentel, et al. 8. Canada's Model Forest Program: The Manitoba Experience; P. Miller. 9. The Ratchet Effect; C.F. Jordan. 10. Sustaining World Fisheries Resources: An Ethical Dilemma; C.F. Cole. 11. Traditional Sustainability: A Case Study of Floodplain Fisheries Management in West Africa; R. Victor. Part III: Approaches to Public Policy. 12. The Federal Ecosystem Management Initiative in the United States; C.R. Malone. 13. Sustainability, Growth and Distributive Justice: Questioning Environmental Absolutism; T. Schrecker. 14. Environmental Sustainability in Agriculture: Bioethical and Religious Arguments Against Carnivory; R. Goodland. 15. Why We Need a Non- Anthropocentric Environmental Evaluation of Technology for Public Policy; L. Westra. 16. Coping with 2050; R.A. Carpenter.