This Powerpoint presentation is about Pollution

2. • 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.

3. Air pollution

4. Air Pollution
• Air Pollution is the contamination of air.

5. Causes
• Air Pollution is caused because of :
1. Smoking
2. Industries
3. Spitting

6. Effects
The effects of Air pollution are:
1. Asthma
2. Increased level of carbon dioxide
3. Smog (Smoke + Fog=Smog)

7. Water Pollution

8. Water Pollution
• Water pollution is the contamination of water.

9. Causes
• Deforestation
• Soil erosion
• Acid rains

10. Effects
• Sea animals dying
• Fresh water is not available
• People are getting diseases

11. Noise pollution

12. Noise Pollution
• Noise pollution is undesirable or unwanted
sound.

13. Causes
• Loud noise in houses.
• Festival ‘s noise.
• Traffic noise
• The low flying of fighter planes.
• Railway engines.
• Construction.
• Industrial Noise

14. Effects
• Deafness
• Buildings destroyed
• Birds and plants get disturbed

15. Land Pollution

16. Land Pollution
• Land pollution is the contamination of land.

17. Causes
• Throwing of chemical and toxic wastes
• Excretion
• Local areas have no dust bins
• Acid rains

18. Effects
• Plants dying
• Infertile land
• People having diseases in their nervous
systems