JESPER RYBERG is Professor of Practical Philosophy, University of Roskilde, Denmark. His recent books include The Ethics of Proportionate Punishment (Kluwer, 2004) and, as editor, The Repugnant Conclusion: Essays on Population Ethics (Kluwer, 2005). He has published in philosophical journals such as Philosophical Papers, Theoria, Philosophical Quarterly, Res Publica, Ethical Theory and Moral Practice and the Journal of Applied Philosophy. THOMAS S. PETERSEN is Assistant Professor of Practical Philosophy, University of Roskilde, Denmark. He has published in jo

'This is an outstanding collection of clear and well-argued essays across a range of fundamental issues in applied ethics. The authors not only provide state-of-the-art overviews of the debate in each area, but take that debate in new and fruitful directions.' Roger Crisp, University of Oxford, UK. 'This timely collection shows, at its best, not only that moral philosophy can help us to solve a variety of pressing practical questions, but also that applied ethics is an important tool if we want to think hard about basic moral theories.' Torbjorn Tannsjo, Stockholm University, Sweden.

• Foreword Animals: Equality for Animals; N.Holtug Computers: Information Ethics and the Foundation of Computer Ethics; L.Floridi Discrimination: What it is and What Makes it Morally Wrong; K.Lippert-Rasmussen Freedom of Speech: Why Freedom of Speech Includes Hate Speech; D.Jacobsen Health: Developing World Health Issues; U.Schuklenk & P.Sy Human Enhancement: Ethical Issues in Human Enhancement; N.Brostrom & R.Roache Migration: Migration, Territoriality and Culture; M.Risse & M.Black Poverty: Poverty-Reduction, Incentives and the Brighter Side of False Needs; N.Eyal Punishment: Restitutionism: For What and to Whom; J.Ryberg War; B.Orend Sports: Prohibiting Drugs in Sports: An Enhanced Proposal; T.Petersen & K.Lippert-Rasmussen