08-13-2009, 10:34 PM
Steven Wrote:Only 3% of the world's water system is drinkable water. Europeans and especially Americans use the drinkable water irrationally spending it in vain. In the nearest future, the world may face another problem - lack of water. It will make us take in consideration the water's value. We should start thinking now about this. How can we do that?
and oxygen also... :nonnon