So water is considered to be next to Oxygen in importance.Wi

So water is considered to be next to Oxygen in importance.Without water means the earth we live on would not have any living things.Without it,we can not see trees,animals,crops.Certainly,the most important is that human beings will also disappear from the world.People say they can not find any life on the moon because there is no water on it.We can easily find the importance of water to all living beings.Nobody can image how can we live if there is no water on earth.Though when we consult a map we can see three quarters of the earth’s surface is covered with water.That is sea water.As is known to all,sea water can not be used to drink for people.The lack of cleaning water has become the major problem all over the world,especially in Asia and the Pacific.With regard to Africa,water availability in that area is the lowest in the world.There are nearly one billion in the world have to face the threat of lacking safe water to drink.That means people have to choose to drink some unsafe water.There will a strong possibility of people’s health problem.People will be threatened by different diseases which are carried in water.Then it will produce more and more problems.As for agricultural production,it also needs a great amounts of water.Most underdeveloped countries use most of water for agricultural.The harvest will be effected by lacking water.Then farmers in these areas will have a dead loss.It will result in the world food problem.Then it will bring huge pressure to everyone in the world.Talked about the aspect of industry,people have a increasing use in this side.Lacking water will affect the ability of developing to improve economies.China had more than tripled the industrial water use in recent years.Without water,industry can not develop any more.Water shortage put back production badly.The demand in all aspects for water keeps increasing.Yet the amount of water on Earth stays the same.Take only but one instance,China is rich in natural resources.On the other hands,China also has the biggest population in the world,which is more than 130,000,000.Such a large population makes people in China to face more and more proplems of energy supply.