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my new updated power point presentation on pollution..
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  1. 1. POLLUTION Pollution is when something is added to the environment that is harmful or poisonous to people, animals and other living things.
  2. 2. Types of pollution Types of pollution are1.Air Pollution. 2.Water Pollution. 3.Noise Pollution. 4.Land Pollution
  3. 3. Air Pollution Air pollution is the human introduction into the atmosphere of chemicals particulate matter, or biological materials that cause harm or discomfort to humans or other living organisms, or damage the environment .
  4. 4. Causes of Air Pollution 1.Smoke from chimneys of factories 2.Smoke from Vehicles 3.Smoke from burning of fire.
  5. 5. Effect of Air Pollution •Acid rain destroys the leaves of plants. •very harmful to our health.
  6. 6. Prevention of air pollution 1.We should share vehicles for going to office. 2.We should get a regular pollution check of our vehicle. 3.We should use a bicycle for going to near by places. 4.Chimneys of factories should be fitted with proper filters to prevent smokes from coming out and effect atmosphere.
  7. 7. Water Pollution Water pollution is the introduction into fresh or ocean waters of chemical, physical, or biological material that degrades the quality of the water and affects the organisms living in it.
  8. 8. Causes of Water Pollution 1.Factories throw their waste in water bodies. 2.People bath and wash clothes in water bodies. 3.Some oil ships drown in water which hardly effects the aquatic life. 4.Smoke from vehicles lets the river to dry.
  9. 9. Effects of Water pollution •Diseases like cholera •Malaria •Disruption of food chains •Typhoid •Aquatic life gets destroyed
  10. 10. Prevention of water pollution 1.Factories should not throw there waste in water bodies. 2.People should not bath and wash clothes in rivers or lakes. 3.People should not take there animals to take bath in rivers or lakes.
  11. 11. Noise Pollution Noise pollution is unwanted human-created sound that disrupts the environment. The dominant form of noise pollution is from transportation sources, principally motor vehicles, referred to as environmental noise.
  12. 12. 1.Jet planes. 2.Loud speakers and other loud speaking things. 3.Cinema halls. 4.Factories 5.Road traffic
  13. 13. Effects of Noise pollution •Hearing loss •Stress •Color Blindness •High Blood Pressure •Sleep Disturbance
  14. 14. Prevention of Noise Pollution 1.We should not use loud speakers. 2.Factories should be made out of the city. 3.There should be not more noise making vehicles on the roads.
  15. 15. Land Pollution Land pollution is the destruction of Earth's land surfaces through misuse of land resources by human activities. Polluted land has deposits of liquid and solid waste such as rubbish, garbage, paper, glass and plastic objects.
  16. 16. Causes of land pollution 1.People Cut forest for furniture. 3.People throw house garbage on roads 2.Plastic is the main source of land pollution. . 4.Some industries throw their waste on land
  17. 17. Effects of Land Pollution •The land can not be construct house •Man can not be Farming •Ground water will gets affected
  18. 18. Prevention of land pollution 1.People should not cut trees for making furniture. 2.People should not throw garbage on land. 3.Plastic bags should be avoided for prevention of land pollution. 4.Industries should not throw there waste on land.