Water storage and river levels are below normal in many areas around the world, raising much concern about the future of agriculture and the availability of water for human consumption and manufacturing. The phenomenon is not just confined to a few areas but is a global problem, impacting areas from Southeast Asia to Australia and from Africa to North and South America. Low river levels have affected the shipment of goods and services most recently in the United States and in South America. In the past two years, similar situations have occurred in Europe, Asia and even Central America