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Water pollution-1234760698512947-1

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Water pollution-1234760698512947-1

  1. 1. WATER POLLUTION
  2. 2. What is water pollution? Well Pollution is the contamination of the natural environment with harmful substances often as a consequence of human activities.
  3. 3. There are many differents types of pollution as: • Water pollution • Air pollution • Land contamination
  4. 4. How does water pollution occurr? Water pollution ocurrs when a lot of chemicals, sewage and fertilizers are dropped and if it is not treated before being discharged into waterways, serious pollution is the result.
  5. 5. Types of water pollution  Microbiological Chemical Oxygen-depleting Substances Nutrients Oil pollution
  6. 6. CAUSES Domestic households, industrial and agricultural practices produce wastewater that can cause pollution of many lakes and rivers. Dumping of litter in the sea can cause huge problems in marine animals and may result in death .
  7. 7. Nuclear waste is produced from industrial, medical and scientific processes that use radioactive material. Nuclear waste can have detrimental effects on marine habitats
  8. 8. The effects of water pollution are not only devastating to people but also to animals, fish, and birds. Polluted water is unsuitable for drinking, recreation, agriculture, and industry. Effects of water pollution
  9. 9. What can we do to prevent water pollution? • Be careful about what you throw down your sink or toilet. • Use environmentally household products, such as washing powder, household cleaning agents and toiletries. • Take great care not to overuse pesticides and fertilisers. • Don't throw litter into rivers, lakes or oceans.
  10. 10. CONCLUSION I think that we have to change our habits because the water is a natural resource very important and if we follow the same way till now, one day maybe our sons woke up and they won´t have water to drink.

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