Water Scarcity

Topics: Water resources, Water, Water supply Pages: 2 (646 words) Published: March 19, 2013
Essay’s topic: Water scarcity is one of the key environmental issue of our time. Identify some major causes of water scarcity and describe two solutions. Water plays an important role in developing and maintaining healthy ecosystems. However, water scarcity is an increasing and widespread phenomenon in many countries in the world. Water scarcity refers to either the lack of enough water or lack of access to safe water. The shortage of water is turning out to be more pressing than prediction. This essay will identify some major causes of water scarcity and specifically focus on the solutions of enhancing water stewardship and protecting wetlands. The first major cause of water scarcity is overpopulation. The rapid growth of population has led to a massive demand of water. In the last 50 years, the human population has increased more than double. Moreover, accompanying with population growth are economic development and industrialization. Population growth also results in the need of food, home and clothing, which has added more pressure on the availability of freshwater while water supplies are limited and insufficiently managed. If the consumption rate of water has continued at unsustainable levels, by 2025, two-third of the world population may face water shortage, and ecosystem around the world will suffer even more. Water pollution is the second major cause of water scarcity. It is the result of many reasons, including pesticides and fertilizers that wash away from farms, untreated household waste and effluent. Even ground water can be polluted because pollution can leach into underground aquifers. Furthermore, harmful bacteria and pollutants may contaminate the freshwater sources and lead to numerous negative effects to health. Water which is wasted, polluted and unsustainably managed has already affected every continent in the world. People who consume inadequate sanitation water are likely exposed to illnesses such as cholera and diarrheal, especially...
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