Book excerpt: A comprehensive dictionary of environmental economics, compiled by leading academics in the field. Each expression or phrase is explained clearly in non-technical language, with references given to its use in the growing literature on the subject area. From abatement to zonal travel cost method (ZTCM), there are over 1000 cross-referenced entries covering topics such as: environmental instruments for policy-making, techniques applied in environmental and natural resource economics, major issues in environmental economics and environmental management, economics of sustainable development, natural resource accounting, and international environmental agreements. As well as providing incisive answers to questions such as 'What is natural capital?' or 'when are crowding diseconomies important?', the dictionary includes a list of commonly used acronyms and abbreviations, and a complete bibliography detailing the major texts in the field is provided.