Water is importantnot only to the human beingsbut also to all the creatures.We dare say all of the lives cannot survive without water.What makes us more and more worried is that water on our planet is becoming less and less.Besideswe have to be faced with the water pollution. It is really a big problem. 

In order to live on this planetwe human beings should deal with the problem seriously. Everyone should do his best to save and protect water source.