The water wars have already begun. Everywhere they hit the poor. While Ethiopia, Sudan and Egypt are seeking to dominate the Nile, and that China and Russia are competing for the Amur River, Turkey, Syria and Iraq struggling for control of river Tigris and the Euphrates ..Climate change, population growth, increasing food needs dangerously exacerbate the pressure on water resources. The absence or inadequacy of drinking water, poor quality, kill ten times more than all armed conflict. Dealing simultaneously global and regional issues, technical data (dams, drainage, desalination) as the economic and government, here is a crucial book on the geopolitics of the water. Or how "blue gold" has become the major challenge of the twenty-first century. Franck Gallandis director of the safety of Suez Environment and President of the College of operators of critical facilities within the French High Committee for Civil Defense.