"The supply and management of fresh water for the world's billions of inhabitants is likely to be one of the most daunting challenges of the twenty-first century. For countries that share river basins with others, questions of how best to use and protect precious water resources always become entangled in complex political, legal, environmental, and economic considerations. This book focuses on the issues that face all international river basins by examining in detail the Nile basin and the ten countries that lay claim to its waters."--BOOK JACKET.