Water crisis may endanger our life!
http://www.ecollo.com/post/2009/08/The-effects-of-water-shortages.aspx
http://www.worldwatercouncil.org/index.php?id=25
http://water.org/learn-about-the-water-crisis/facts/
http://www.indiastudychannel.com/resources/122105-Water-Crisis-Effects-Causes.aspx