Tehran

Recent studies by international institutes of Food Policy Researches and Water Management Suggest the point that continuously increasing population, burgesses and industries development is going to limit the rate of the water allocated to agriculture furthermore allocating environment water to agriculture, houses and industries consumption will create more environmental harm. Water resources in Middle-East countries encounter lots of problems due to mismanagement and absence of enough attention to future needs and also unfavorable natural condition. Iran is classified as a dry and half-dry country, because there's a little rain, which is in undesirable places or time, and in this situation, there will be high demand for water because the population is increasing, and burgesses and economic units are developing. We have transgression upon permitted natural divine rules and terribly damaged natural resources in different ways. This leads us to more eater limitation water scarcity is a relative and running concept, it way happen in any process of offer and demand which is derived from human social structure. The reason is the human interference in water cycle. Passing a long time, these changes are as a result of natural hydrological variety, but they are mostly the result of economic or politic problem, planning o