The contributors to the declining water quality

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Sofie Bronée        Geography        27/04/2008

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
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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. The issues we are dealing with today regarding the share and need for water quality will definitely increase if we don’t do anything. It is projected that in 2030 the world’s overall population will increase with 2.1 billion people, 2 billion of these will be an expansion concentrated in cities and towns. Because of employment and growth in the urban areas, half the world’s population will be living in urban areas in the ...

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