Water is a vital part of every ecosystem on the planet. It is a prerequisite for the basic function and productive efficiency of life on Earth. Today, approximately a third of the earth's population suffers because of water scarcity, and by the year 2025, this percentage is likely rise to two-thirds. Water Resources: Efficient, Sustainable and Equitable Use shows what conflicts this will entail, and provides a basis for possible solutions.

Wolfram Mauser is Professor for Geography and Remote Sensing at the Ludwig-Maximilian-University of Munich. He is also Chairman of the National Committee for Climate Change Research of the German Research Foundation and the German Ministry for Education and Research.