Countries are meeting increasing water demand by building reservoirs and by diverting water from one area to another. When the water belongs to an international river system, these measures lead to riparian conflicts. However, water scarcity not only brings conflict to these regions, but also plays its part in building cooperation. In several international river basins in Asia, Africa and the Middle East, competing and disputing riparian countries are now moving towards a co-operative sharing arrangement. The signs of agreements on water sharing may be easy, but the real problem is how to keep these arrangements on track. Such agreements can positively contribute to peace and cooperation by addressing future needs, making sustainable decisions and being progressive in their management. looks at these current stresses and likely future scenarios for this vitally important subject.