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awareness about environment

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Presentation1

  1. 1. <ul><ul><ul><li>RAKESH KUMAR, SHIVAM CHAUHAN 10 TH C </li></ul></ul></ul>ENVIRONMENT POLLUTION
  2. 2. OUR ENVIRONMENT
  3. 3. Our ENVIRONMENT is all which surrounds us.
  4. 4. BUT today !
  5. 5. <ul><li>Our environment is in danger. </li></ul><ul><ul><ul><li>Main danger to our environment is of being polluted. </li></ul></ul></ul>
  6. 6. Types of pollution Includes:- Water Pollution Air pollution
  7. 7. Noise Pollution Land Pollution
  8. 8. What is AIR pollution? Air pollution is the contamination of the air by toxic substances such as fuel exhaust and smoke.
  9. 9. Causes of Air pollution <ul><li>Industrial smoke </li></ul><ul><li>Garbage </li></ul><ul><li>Cigarette smoking </li></ul><ul><li>Radio active elements </li></ul><ul><li>Crackers </li></ul><ul><li>Smoke from burning </li></ul><ul><li>Auto mobile exhaust </li></ul>
  10. 10. What is Water pollution? <ul><li>The presence of harmful substances and toxic materials in water is known as water pollution. </li></ul>
  11. 11. Causes of Water pollution <ul><li>Industrial waste </li></ul><ul><li>Pesticides </li></ul><ul><li>Oil </li></ul><ul><li>Sewage </li></ul><ul><li>Garbage </li></ul><ul><li>Organic waste </li></ul><ul><li>Silt </li></ul>
  12. 12. What is noise pollution? <ul><li>The presence of intolerable & loud sound in the air is called noise pollution. </li></ul>
  13. 13. Causes of Noise pollution <ul><li>Machines in factories produce a lot of sound. </li></ul><ul><li>Vehicles’ blowing horn. </li></ul><ul><li>Loudspeaker, used in functions & meetings. </li></ul>
  14. 14. What is LAND POLLUTION? <ul><li>The process by which soil fertility is lost is called LAND pollution. </li></ul>
  15. 15. Causes of land pollution <ul><li>Deforestation. </li></ul><ul><li>Pesticides. </li></ul><ul><li>Excess use of chemical fertilizer. </li></ul>
  16. 16. Deforestation <ul><li>Removal of trees at a large scale is known as deforestation. </li></ul>
  17. 17. Effects of deforestation <ul><li>Increase in global temperature </li></ul><ul><li>Change in climate </li></ul><ul><li>Effects ozone layer </li></ul><ul><li>Melt glaciers </li></ul>
  18. 18. Plants give all to us without expecting return.
  19. 19. keep giving your part in preventing environment & support afforestation

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