ENVIRONMENTAL ACCOUNTING SUSTAINABLE DEVELOPMENT INDICATORS May 23-25, 2007, Prague PROCEEDINGS of the 3 rd international conference EA-SDI 2007 organised by Jan Evangelista Purkyně University in Ústí nad Labem in collaboration with Charles University Environment Center with the support of Czech Statistical Office Ministry of the Environment of the Czech Republic Reviewed by Iva Ritschelová and Egor Sidorov Design, layout and typesetting by Egor Sidorov The papers have not been edited, and J. E. Purkyně University in Ústí nad Labem can accept no responsibility for their accuracy. Views expressed in all contributions are those of the authors. All copyrights remain with the authors. ISBN 978-80-7044-883-0