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The contributors to the declining water quality

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Introduction

The contributors to the declining water quality Water pollution is defined as any chemical, physical or biological change in the quality of water. This is often caused by human activities. When water gets polluted is has a harmful effect on any living organism that drinks or lives in the water. It can also have serious effects on human health if someone drinks polluted water. The main contributors to this are: * Factories * Waste treatment facilities * Pesticides, herbicides and fertilizers * Human sewage * Oil spills * Failing septic systems * Oil and antifreeze leaking from cars * Household chemicals * Animal waste The serious increase in urban population, especially in the less developed countries will cause major problems in the future, when it comes to water pollution and demand. ...read more.

Middle

Because of employment and growth in the urban areas, half the world's population will be living in urban areas in the future. This together with industrialization will result in an increasing demand for water and will have serious consequences on the environment. To improve the future situation everyone should be aware of the limited water resources. The problem will in the future affect us all. Whatever the use of water is, saving of it is possible. Water is wasted everyday and the waste will increase as well as the population. The increased growth of industry, especially in South Asia and the least developed countries is a problem, when it comes to water pollution. ...read more.

Conclusion

The pollution is still there though; because of the high population and the low economy, they can't afford water treatment plants. In the developing countries and developed countries, the use of fertilizer has grown a lot from 1959-2020 because of high economy and they have the money to afford the fertilizer. The high increase may cause a lot of problems, as the more fertilizers are used near water bodies, the higher the chances are that the water might become polluted. The fertilizer and other toxic chemicals are sucked into the ground and into the groundwater, which flows into lakes and rivers. http://www.tomorrowproject.net/pub/1__GLIMPSES/Globalisation/-174.html http://www.worldwatercouncil.org/index.php?id=25 These and the following statistics are taken from 'World Urbanization Prospects: The 2003 Revision', United Nations Population Division, 2004, http://www.un.org. ?? ?? ?? ?? Sofie Bron�e Geography 27/04/2008 ...read more.

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