Putting a price tag on the environment is controversial. This book discusses ethical and political aspects of environmental cost-benefit analysis: why controversies must be expected, why they should be taken seriously, and how they can be handled in practice. Cost-benefit analysis is commonly thought of as a method for ranking projects according to their contributions to social welfare. The starting point of the present book is different. Rather than providing a final ranking, the purpose of a project analysis is to enable participants in a democratic decision-making process to make