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This powerpoint presentation is about pollution

This powerpoint presentation is about pollution

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  • 1. • Pollution is the contamination of natural substances such as land, air and water pollution. There is one more type of pollution called noise pollution. Now I will show the causes and the effects of it.
  • 2. Air pollution
  • 3. Air Pollution• Air Pollution is the contamination of air.
  • 4. Causes• Air Pollution is caused because of :1. Smoking2. Industries3. Spitting
  • 5. EffectsThe effects of Air pollution are:1. Asthma2. Increased level of carbon dioxide3. Smog (Smoke + Fog=Smog)
  • 6. Water Pollution
  • 7. Water Pollution• Water pollution is the contamination of water.
  • 8. Causes• Deforestation• Soil erosion• Acid rains
  • 9. Effects• Sea animals dying• Fresh water is not available• People are getting diseases
  • 10. Noise pollution
  • 11. Noise Pollution• Noise pollution is undesirable or unwanted sound.
  • 12. Causes• Loud noise in houses.• Festival ‘s noise.• Traffic noise• The low flying of fighter planes.• Railway engines.• Construction.• Industrial Noise
  • 13. Effects• Deafness• Buildings destroyed• Birds and plants get disturbed
  • 14. Land Pollution
  • 15. Land Pollution• Land pollution is the contamination of land.
  • 16. Causes• Throwing of chemical and toxic wastes• Excretion• Local areas have no dust bins• Acid rains
  • 17. Effects• Plants dying• Infertile land• People having diseases in their nervous systems