Water resources paper to go by for sci275

Water resources paper to go by for sci275 - Water resources...

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                                 Water resources Introduction: Water is life. Water resources are water that is used for domestic, agricultural and industrial purposes. For all these activities fresh water is required. Out of the total water in the world, only 2.5% of the water is fresh water. Most of the fresh water is frozen in glaciers and Polar ice caps. Only a small fraction of the fresh water can be used by humans for their needs. Water shortage has become a problem all over the world. Access to safe, dependable and sustainable water supply and sanitation facilities is a basic need and a human right. Water resource problem has resulted due to a mixture of climatic change and poor resource management. Although the water crisis is most marked in developing countries, the developed world is also facing major environmental problems and human health consequences due to diminishing water resource. Economic prosperity does not automatically mean plenty of water. Lack of adequate water has affected not only the undeveloped but also the developed countries. A report in Geneva on World Water Week reveals that “some of the world's wealthiest cities - such as Houston or Sydney - are using more water than can be replenished”(BBC news, Geneva) Detailed description of the problem of water resource : We need water for our basic sustenance such as drinking without which we cannot live. We also need water for a variety of needs such as cooking, washing and sanitation. Besides this, water is also required in irrigation. We are facing a water crisis in the world. There has been an increase in the demand for safe water due to rise of the world’s population and rising living standards and this has led to over utilization of the natural water resources. . ‘The World Health Organization
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(WHO) estimates that in 2003, approximately 1.1 billion people had no access to safe water and 2.4 billion had no basic sanitation’(AMREF). Water problem is caused when there is not enough water for domestic, agricultural and industrial uses. One of the major causes of water problem is the rising population. According to UN estimates by 2050 there will be an additional 3 billion people in the world. Thus, demand for water will increase further. Rapid Urbanization has led to the requirement of more water to individuals and to process the concentrations of wastewater generated in the urban areas. Water quality and the guarantee of making quality water available to all regardless of income or social status is one of the most pressing problems of the world. The problem of water resource is amplified by wasteful use of scarce water resources. Competition in water is growing. Groundwater is pumped up from aquifers to meet this demand. Due to this, many aquifers have
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Water resources paper to go by for sci275 - Water resources...

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