Bjorn Lomborg is Adjunct Professor in the Department of Management, Politics and Philosophy at the Copenhagen Business School and the director of the Danish Environmental Assessment Institute. He is also the author of the controversial bestseller, The Skeptical Environmentalist (Cambridge, 2001).

Introduction: what should we do first? Bjorn Lomborg; 1. Meeting the challenge of global warming William R. Cline; Opponents' views Robert Mendelsohn and Alan S. Manne; 2. Communicable diseases Anne Mills and Sam Shillcutt; Opponents' views David B. Evans and Jacques van der Gaag; 3. The challenge of reducing the global incidence of civil war Paul Collier and Anke Hoeffler; Opponents' views Michael D. Intriligator and Tony Addison; 4. Towards a new consensus for addressing the global challenge of the lack of education Lant Pritchett; Opponents' views T. Paul Schultz and Ludger Wosmann; 5. The challenge of poor governance and corruption Susan Rose-Ackerman; Opponent's views Jens Christopher Andvig and Jean Cartier-Bresson; 6. Hunger and malnutrition Jere R. Behrman, Harold Alderman and John Hoddinott; Opponent's views Peter Svedberg and Simon Appleton; 7. Population and migration Philip Martin; Opponent's views Mark Rosenzweig and Roger Bohning; 8. The water challenge Frank Rijsberman; Opponent's views John J. Boland and Henry Vaux, Jr.; 9. Subsidies and trade barriers Kym Anderson; Opponent's views Jan Pronk and Arvind Panagariya.