Importance of Fresh Water Essay

All accompaniment things on Earth need refreshful wet in dress to survive But human beings become ill and may fifty-fifty die if they cannot get pure or clean and are hale to drink sullyd urine. Human beings can only last 3 day without fresh water. People died of thirst after the cyclone in 1999 because their tack of fresh water from irrigation channels was destroyed form tidal waves. barely water is needed for many more purposes e.g. in agriculture and industries, simply this water does not need to be fresh. Despite this thither are still serious shortages in many countries for the purposes new(prenominal) than drinking.CAUSES FOR SHORTAGE OF piss1 The annexs in populations, industries and irrigationThe growth of population in many countries office that more water is required. The growth of population leads to the need for more goods and food. This leads to the increase in industries and in irrigated farmland. This means more water is required.2 The contamination o f fresh water suppliesEven if there is sufficient fresh water in a country it may not all be good for drinking. many a(prenominal) villages in Pakistan depend on wells and rivers for their fresh drinking water. However chemicals used in the fields by farmers pollute some of these drinking water supplies.3 the problems of the supply of fresh waterProblems of the supply of fresh water in both rural and urban areas exist in the countries and in some countries.a) Fresh Water Supplies In Rural AreasIn many rural areas in Pakistan and other countries there are no pipes o carry water to peoples homes or to their villages. Women and children may walk a long way to each one day to get their water.b) Fresh Water Supplies In Urban AreasMany villages have no piped water supply. But there are often serious problems of the supply of water even in urban areas where there are water pipes. This because of lack of distribution and transmission networks,leakages and power failures at pumping statio ns and because of rampant corruption in KWSB. It is also because hydrant owners inhabit to defy government regulations.Possible solutions for shortage of water in Pakistan word of sewageIt has been suggested that water suitable for industry and agriculture could be provided by treating sewage. However this would require a new and separate network of pipes which would be expensive to construct.Desalination of sea waterThis suggestion was rejected up to 2004 because of the high cost of patterning the desalinisation plants. However, in 2004 plans were announced to build Pakistans first desalination plants at Korangi Creek in Karachi and get on Port Qasim.Disadvantage of desalination processEven though the desalination process benefits us, it can also harm the surround on the other hand. It cost too much money to pay for the plants. It reduces oxygen levels in the air and results in an increase of the density of any discharged chase away water. Its unlimited source of water make mo re green contribute gasses so there for more pollution in the atmosphere .It double the amount of salt in the oceans and impacts on the environment for animals and humans.