This book on Green Budget Reforms (GBR) provides comprehensive insight into how forerunner countries such as Denmark, the Netherlands, Norway, Sweden and Switzerland, but also Hungary and Poland, have designed and taken first steps toward GBR, with emphasis on Ecological Tax Reform (ETR). The book covers the proceedings of an international seminar held in Slovenia with contributions from economists of the European Commission, the OECD, finance ministries and researchers. It also includes the first comprehensive case study of Slovenia, demonstrating the unique opportunities for GBR in Central and Eastern European Countries in particular. The book is for policy makers, consultants, lecturers, and scientists who wish to make and measure progress in sustainable development. Readers can choose from a range of market-based instruments applied in various countries and adapt them according to the requirements of their countries.