Importance of Fresh Water Essay

All living things on demesne need crisp piddle add in order to survive But gentleman beings become ill and may pull down die if they cannot get pure or clean and are forced to toast polluted weewee. Human beings can but last 3 day without merry piss. People died of thirst after the cyclone in 1999 because their supply of mellifluous body of piddle system from irrigation transmit was destroyed form tidal waves. only pee is needed for many more purposes e.g. in agriculture and industries, but this water does not need to be fresh. despite this in that respect are still unsafe shortages in many countries for the purposes other than intoxication.CAUSES FOR famine OF WATER1 The increases in worlds, industries and irrigationThe return of population in many countries mode 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 requir ed.2 The contamination of fresh water suppliesEven if there is sufficient fresh water in a rural it may not all be good for insobriety. Many villages in Pakistan weigh on wells and rivers for their fresh drinking water. However chemicals used in the handle by farmers pollute any(prenominal) 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 plain AreasIn many rural areas in Pakistan and other countries there are no pipes o carry water to citizenrys homes or to their villages. Women and children may paseo a long way each day to get their water.b) Fresh Water Supplies In Urban AreasMany villages down 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 escape of distribution and transmission networks,leakages and powe r failures at pumping stations and because of rampant corruption in KWSB. It is also because hydrant owners continue to accommodate government regulations.Possible solutions for shortage of water in PakistanTreatment 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 mellow make up of building the desalinisation plants. However, in 2004 plans were announced to build Pakistans head start desalinisation plants at Korangi Creek in Karachi and near Port Qasim.Disadvantage of desalination processEven though the desalination process benefits us, it can also accidental injury the environment on the other hand. It cost too much money to collapse for the plants. It reduces oxygen levels in the air and results in an increase of the density of any carry through waste water. Its unlimited source of water make more green family line gasses so there for more pollution in the atmosphere .It doubles the bill of salt in the oceans and impacts on the environment for animals and humans.