World Water in 2025 Global modeling and scenario analysis for the World Commission on Water for the 21st Century Joseph Alcamo . Thomas Henrichs . Thomas Rösch University of Kassel Center for Environmental Systems Research Kurt-Wolters-Straße 3 . 34125 Kassel . Germany Phone +49.561.804.3266 . Fax +49.561.804.3176 University Center for Environmental
[email protected] . Http://www.usf.uni-kassel.de of Kassel Systems Research Cover photograph reproduced with kind permission of the International Hydrological Programme (UNESCO) KASSEL WORLD WATER SERIES . REPORT No 2 World Water in 2025 Global modeling and scenario analysis for the World Commission on Water for the 21st Century Joseph Alcamo, Thomas Henrichs, Thomas Rösch Center for Environmental Systems Research University of Kassel February 2000 The Kassel World Water Series Report No 1 – A Digital Global Map of Irrigated Areas Report No 2 – World Water in 2025 World Water in 2025 Kassel World Water Series. Report Number 2 Report A0002, February 2000 Center for Environmental Systems Research, University of Kassel, 34109 Kassel, Germany Tel. 0561 804 3266, Fax.0561 804 3176 Internet: http://www.usf.uni-kassel.de Please cite as: “Alcamo, J., Henrichs, T., Rösch, T. (2000): World Water in 2025 – Global modeling and scenario analysis for the World Commission on Water for the 21st Century. Report A0002, Center for Environmental Systems Research, Univer- sity of Kassel, Kurt Wolters Strasse 3, 34109 Kassel, Germany.” Alcamo, Henrichs, Rösch World Water in 2025 World Water in 2025: Global modeling and scenario analysis for the World Commission on Water for the 21st Century Joseph Alcamo, Thomas Henrichs, Thomas Rösch Executive Summary The World Commission on Water for the 21st Century has prepared a set of scenarios that de- scribe several possible developments in the world water situation by 2025.