water crises

[venom]

We are confronted with both old and new threats to international scarcity of many commodities especially good air and water causing security of population; resulting widespread poverty.
Scarcity of water is a function of supply and demand.
Demand is increasing at an alarming rate in some regions, through population growth and increasing per-capita use. In many water-scarce oil rich Gulf countries,saline water purification may be temporary affordable method.But we have to find out permanent solutions by preserving the Eco system.
The second crisis is deteriorating water quality. Agriculture is the biggest polluter: increased use of fertilizer and pesticides has contaminated both groundwater and surface water supplies. Domestic and industrial pollution is also increasing, and the problem affects mainly in developed and partially in developing countries.
All nations
should cooperate to understand the importance of an integrated approach to water resource management at both international and local
levels.Equity and rights, cultural and ethical issues are essential to be addressed when dealing with limited water resources.
Imbalances between availability and demand, the degradation of groundwater and surface water quality, inter-sectoral competition, inter-regional and international disputes, all center around the question of how to cope with scarce water resources.
The most dreaded water scarcity event has at last hit Pakistan.
This is nothing unexpected. The manner in which we have been used to handle our resources and national affairs, this catastrophic occurrence was bound to take us over.At the time of independence 5000 cu/m of water was available for each Pakistani, which has now reduced to 1000 cu/m because of uncontrolled population growth.
Water is one resource that can not be generated it can only be preserved.Farsighted nations try to conserve each every drop of water available to them because they are aware of the fact that if this commodity is not prudently preserved and used, the
human survival itself would be jeopardized and future wars would be fought for its possession and control.
According to an estimate the present volume of all storage reservoirs with gross capacity of 5 cu/km and above amounts to some 4900 cu/km. Out of this about 975 cu/km lie in North America while about 1770 cu/km are in Asia with majority in China. China has some 83000 reservoirs built for various purposes, of which 330 are major in size. While in Pakistan we have two major and about a dozen smaller reservoirs.
It has been said that all reservoirs are doomed to die.water crises is not only challage for Pakistan but it is crises of the whole world.
Water and energy experts are thinking for the solution,but all are agreed on this point that first step of the solution is reduction in waste of water.