One of the most important rivers in North China, the yellow river is showing significant drying up every year. Another major river is the Euphrates river which is showing major drying up. It is one of the most important sources of water in Syria. The Nile in Egypt, Indus in Pakistan and the Ganges in India are all facing the same problem as a result of global warming and other water conservational issues.
Climate change directly contributes to lakes drying up, as warm water evaporates faster, and holds less ice during the winter. Lake Superior, which is the largest of the Great Lakes and the largest freshwater reservoir, is drying up. It has been measured to be at its lowest point in 81 years. In terms of rivers, the great Euphrates River, one of the rivers that formed the Fertile Crescent in ancient Mesopotamia, is drying up. Other important rivers drying up considerably are the Yangtze, the Indus, the Ganges, the Salween, the Danube, and the Rio Grande. (http://en.wikinews.org/wiki/Study:_Drying_up_rivers_to_cause_freshwater_crisis)
To add to the list:
the Nile–with more than 90% of the original water flow being used for irrigation
the Colorado, in the western U.S.–which irrigates 3.7million acres of farmland
the Amu Daiya and Syr Darya– which flow into the Aral sea have decreased in flow by 3/4
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