Only 1% of the earth's water is available for drinking; 2% is frozen.

50-90% of the weight of living organisms is made up of water. Blood in animals and sap in plants is mostly water. The adult human body is composed of approximately 55 to 60% water - the brain is composed of 70% water, as is skin, blood is 82% water, and the lungs are nearly 90% water.

You can survive about a month without food, but only 5-7 days without water.

If a large bucket of water were to represent the sea water on the planet, an egg cup full would represent the amount of water locked in ice caps and glaciers and a teaspoonful would be all that was available as drinking water.

Daily, almost 40,000 men, women, and children die from diseases directly related to drinking polluted water. A full 80% of fatal childhood diseases that kill children and destroy families worldwide are caused not by shortages of food and medicine, but by drinking contaminated water.