How to protect water ? How to save water? Why is water important?

water is very important
It is all to know that water is very important for human in the life.There is a saying that human is made of water.so we can not lose it.In other words,we would die without it.For example,fish would lose its life if it leaves water.
so we should keep water from being poluted.In a word,water is the source of the life.We cannot lose it.
How to save water?
As we know ,water is very important to all of us so we shoul try our best to save it.
I think saving water is not only good for ourselves but for our society and at last for our next generation.
In face we can do many things in our daily life to save water.Firstly,make sure we can turn off the tap in time.Secondly make sure we can reuse the water after we finish washing.Lastly ,we can also use the rain water to do the washing.
How to protect water?
First we must protect the factory form pouring waste water into the river
Second we should stop people from throwing litter into the river.many kinds of litter may pollute the envirenment.
Finally we can tell the visitors how important the water is.
After doing these things,I think water will become clearer sooner or later.