Water is essential because water can maintain the process of eco-system, supplies the agriculture and human cannot live without water. However, there is the increasing number of water issues are appearing in the modern world and issues tend to be serious, especially the supply of water. Although water scarcity is an issue which needs to be solved quickly but, water scarcity is not easy to be reduced and when the project failed, it may cause more problems can make problems worse than before.
There are over 43 countries are suffering from water scarcity approximately (United Nations). It may cause a number of water-related problems: starvation, water security, and poverty. According to a report which was published from the IWMI (Barker, R et al 2000) has pointed out the water scarcity is growing. In the meantime, research also found out the some poverty areas usually has the problem of water scarcity, especially Africa (Barker, R et al 2000). Therefore, solve the water scarcity problem should be the priority for some drought countries all around the world. For instance, The United Nations is running a plan called The “WATER FOR LIFE DECADE”; the aim of this plan is to help some places where lack of water to face the challenges of water scarcity (FAO 2006). The programme is divided different levels: International Level, National Level and Local Level. At the same time, officers for this approach give advices local government or national institutions the for water-management policy-making, guidance of techniques (FAO 2006). Another method to reduce water scarcity is the national government makes a national policy to limit the use of water. When residents reach the limitation, the government can give a warning letter to them and make them pay fine.
Although there are some methods may reduce water scarcity, some places may have