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My presentation

  1. 1. IN THE PASTMAN BELIEVED THAT-
  2. 2.
  3. 3. TODAYDEVLOPMENTMEANS
  4. 4. TO RAPE THEENVIRONMENT THEMAXIMUM INMINIMUM TIME
  5. 5. One of the mostburning topicstoday.
  6. 6. Table OfContents• What is ‘Global Warming’ ?• Causes• Effects• What can be done ?• ‘Global Warming’ Quiz• Picture gallery
  7. 7. What is GlobalWarming ? A slow but sure escalation inthe overall temperature of theEarths atmosphere generallyattributed to the g r e e n h o u s eeffect caused by increasedlevels of c ar bo n d io x i d e ,CF C s, and other pollutants iscalled G l o b a l W a r m i n g . Back to TOC
  8. 8. Causes One of the most prominentcauses of the G l o b al War m in gis the G r e e n h o u s e E f f e c t . Greenhouse Back to Effect TOC
  9. 9. Greenhouse Effect The partial trapping of solar radiation by a planetary atmosphere, similar to the trapping of heat in a greenhouse.BacktoTOC
  10. 10. When greenhouse gaseslike carbon dioxide, methane,chlorofluorocarbon(CFC’s) etc.trap the outgoing solarradiations of the sunreflected by the surface ofthe earth and do not allow theheat to escape then this isknown as greenhouse effectwhich causes GLOBAL
  11. 11. EffectsGlobal Warming has numerousharsh effects which arerepresented by these pictures:
  12. 12. Back toTOC
  13. 13. Already seen impacts of GLOBAL WARMING
  14. 14. The frequency of heavy precipitation events has increased over most land areas - Rainfall in Mumbai (India), 2005: 1 million people lost their homes 15
  15. 15. Intense tropical cyclone activity has increasedin the North Atlantic since about 1970- Hurricane Katrina, 2005: up to $200 billion cost estimate 16
  16. 16. More intense and longer droughts have been observed over wider areassince the 1970s, particularly in the tropics and subtropics Photo credit: GoodPlanet 17
  17. 17. Mt. Kilimanjaro’ Glaciers are Melting Because of Global Warming
  18. 18. What can be done ? "As a society, we can bluntthe worsening of global warming byimmediately cutting back on ourwasteful energy usage. If we donothing, the effects will be muchworse." Back to TOC
  19. 19. Mitigation of Global Warming• Conservation • Reduce energy needs • Recycling• Alternate energy sources • Nuclear • Wind • Geothermal • Hydroelectric • Solar • Fusion?
  20. 20. ‘Global Warming’ Quiz This is a small and easy quizcontaining 5+2=7 multiple choicequestions based on GlobalWarming. Go to Question 1 Back to TOC
  21. 21. Question 1Which gas is primarily andprominently responsible for g l o balwar m in g ? • Nitrogen • Argon • Carbon dioxide • Oxygen Go to Question 2
  22. 22. Go to Question 2Try again
  23. 23. Go to Question 2
  24. 24. Question 2The depletion of what cancontribute to stronger UV raysreaching Earth? •Ozone layer •Oxygen •Clouds •Atmosphere Go to Question 3
  25. 25. Go to Question 3Try again
  26. 26. Go to Question 3
  27. 27. Question 3Which of these depletes the ozonelayer and causes Gl o balWar m in g ? •Nitrogen dioxide •CFCs •Ammonia •None of the above Go to Question 4
  28. 28. Go to Question 4
  29. 29. Go to Question 4
  30. 30. Question 4Greenhouse gases in theatmosphere are always BAD forthe human beings and theenvironment. •True •False Go to Question 5
  31. 31. Go to Question 5
  32. 32. Go to Question 5
  33. 33. Question 5Which of the following increasethe concentration of greenhousegases in the at m o sp h er e ? •Deforestation •Excessive use of fossil fuels •Landfill emissions •All of the above Go to Question 6
  34. 34. Go to Question 6
  35. 35. Go to Question 6
  36. 36. Question 6Which indian governmentoraganisation has got the carboncredit from UN for its effort incutting pollution? Indian railways Delhi metro BEST service (Mumbai) None of the above Go to Question 7
  37. 37. Go to Question 7
  38. 38. Go to Question 7
  39. 39. Question 7The programme “Save ourbeaches” wasStarted by which TV channel? IBN 7 NDTV INDIA HEADLINES TODAY BBC INDIA
  40. 40. REPLAY Go to toc
  41. 41. REPLAY Go to toc
  42. 42. Picture Gallery To clarify the topics underGl o bal War min g , here are somepictures:
  43. 43. One of the upshots of GlobalWarming which will cause anincrease in sea-level.
  44. 44. The number of hurricanes willincrease due to increase intemperature of marine water.
  45. 45. A number of species will becomeextinct due to loss of habitat.
  46. 46. Danger ison verge

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