Part 1 Equality and justice: on the currency of egalitarian justice, G.A. Cohen; equality and priority, Derek Parfit; the social basis of equality, Richard Norman. Part 2 Justice, equality and future generations: the paradox of future individuals, Gregory S. Kavka; future generations - further problems, Derek Parfit; the rights of future people, Rober Elliott; community and the rights of future generations - a reply to Robert Elliott, Avner De-Shalit; future generations - present harms, John O'Neill; circumstances of justice and future generations, Brian Barry; sustainable development and our obligations to future generations, Wilfred Beckerman; sustainability and intergenerational justice, Brian Barry. Part 3 The moral considerability of the non-human world: on being morally considerable, Kenneth E. Goodpaster; all animals are equal, Peter Singer; the good of trees, Robin Attfield; the ethics of respect for nature, Paul W. Taylor; animal liberation - a triangular affair - preface, J. Baird Callicott; the shallow and the deep, long-range ecology movement - a summary, Arne Naess. Part 4 Environmental justice: radical American environmentalism and wilderness preservation - a Third World critique, Ramachandra Guha; political ecology, distributional conflicts and economic incommensurability, J. Martinez-Alier; feminism and ecofeminism - beyond the dualistic assumptions of women, men and nature, Val Plumwood. Part 5 Economic valuation: economic theory and environmental law, Mark Sagoff; citizens, consumers and the environment - reflections on "The Economy of the Earth", Russell Keat; selling environmental indulgences, Robert E. Goodin; managing without prices - the monetary valuation of biodiversity, John O'Neill. Part 6 Sustainability: environment sustainabilities - an analysis and a typology, Andrew Dobson; "sustainable development" - is it a useful concept?, Wilfred Beckerman; on Wilfred Beckerman's critique of sustainable development, Herman E. Daly; sustainable development, capital substitution and economic humility - a response to Beckerman, Michael Jacobs; how would you like your "sustainability", sir? weak or strong?, Wilfred Beckerman. Part 7 Sustainability and nature: faking nature, Robert Elliott; sustainability, human welfare and ecosystem health, Bryan Norton; biodiversity as the source of biological resources - a new look at biodiversity values, Paul M. Wood.