T2 w3 causes of climate change

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T2 w3 causes of climate change

  1. 1. climate changeintro + causes
  2. 2. what is happening to our climate?
  3. 3. where’s the ice?
  4. 4. where’s the ice?
  5. 5. where’s the ice?
  6. 6. WHY is this happening?
  7. 7. • Define “climate change” • Explain natural causes of climate change • Explain human causes of climate change by the end 
 of the lesson
  8. 8. quiz! 1
  9. 9. qns 1 Climate Change is the same as Global Warming 5:20 True? False?
  10. 10. qns 1 Climate Change is the same as Global Warming 5:20 True? False? Climate change = climate patterns changing. It’s not just warming. Includes cooling. Global warming = increase in temperature ONLY.
  11. 11. qns 2 Climate Change is caused by humans only. True? False?
  12. 12. qns 2 Climate Change is caused by humans only. True? False? There are natural causes to climate change.
  13. 13. qns 3 Climate Change is a recent phenomenon True? False?
  14. 14. qns 3 Climate Change is a recent phenomenon True? False? Earth Climate has been changing as a cycle naturally for millions of years.
  15. 15. Temperature of the world has been changing throughout history naturally.
  16. 16. There were times where Earth was cooler than today = ice age
  17. 17. qns 4 Since there has been climate change throughout history, there is nothing to worry. True? False?
  18. 18. qns 4 Since there has been climate change throughout history, there is nothing to worry. True? False? The recent changes since 1881 is more significant than what happened in history.
  19. 19. Climate Change has been within a small temperature range
  20. 20. Climate Change has been within a small temperature range But since 1881, the increase is higher than what happened in history
  21. 21. key concepts 2
  22. 22. climate change = changes / variations in global climate patterns in the long term
  23. 23. climate change = changes / variations in global climate patterns in the long term = not just changes in average temperature. Eg: Changes in when the seasons occur 
 is also climate change!
  24. 24. climate change = changes / variations in global climate patterns in the long term
  25. 25. climate change = changes / variations in global climate patterns in the long term onewayithappens… global warming INCREASE in global temp. after a long period of time
  26. 26. climate change = changes / variations in global climate patterns in the long term onewayithappens… global warming INCREASE in global temp. after a long period of time global cooling DECREASE in global temp. after a long period of time one w ay it happens…
  27. 27. greenhouse effect NATURAL effect of greenhouse gases trapping energy from the sun to warm the Earth.
  28. 28. greenhouse effect But if we…..
  29. 29. greenhouse effect But if we….. + Greenhouse Gases
  30. 30. greenhouse effect But if we….. + Greenhouse Gases + Greenhouse Gases
  31. 31. greenhouse effect But if we….. + Greenhouse Gases + Greenhouse Gases + Greenhouse Gases
  32. 32. greenhouse effect But if we….. + Greenhouse Gases + Greenhouse Gases + Greenhouse Gases + Greenhouse Gases
  33. 33. greenhouse effect But if we….. + Greenhouse Gases + Greenhouse Gases + Greenhouse Gases + Greenhouse Gases + Greenhouse Gases
  34. 34. greenhouse effect But if we….. + Greenhouse Gases + Greenhouse Gases + Greenhouse Gases + Greenhouse Gases + Greenhouse Gases + Greenhouse Gases
  35. 35. greenhouse effect But if we….. + Greenhouse Gases + Greenhouse Gases + Greenhouse Gases + Greenhouse Gases + Greenhouse Gases + Greenhouse Gases + Greenhouse Gases
  36. 36. greenhouse effect But if we….. + Greenhouse Gases + Greenhouse Gases + Greenhouse Gases + Greenhouse Gases + Greenhouse Gases + Greenhouse Gases + Greenhouse Gases+ Greenhouse Gases
  37. 37. greenhouse effect But if we….. + Greenhouse Gases + Greenhouse Gases + Greenhouse Gases + Greenhouse Gases + Greenhouse Gases + Greenhouse Gases + Greenhouse Gases+ Greenhouse Gases + Greenhouse Gases
  38. 38. greenhouse effect But if we….. + Greenhouse Gases + Greenhouse Gases + Greenhouse Gases + Greenhouse Gases + Greenhouse Gases + Greenhouse Gases + Greenhouse Gases+ Greenhouse Gases + Greenhouse Gases + Greenhouse Gases
  39. 39. greenhouse effect But if we….. + Greenhouse Gases + Greenhouse Gases + Greenhouse Gases + Greenhouse Gases + Greenhouse Gases + Greenhouse Gases + Greenhouse Gases+ Greenhouse Gases + Greenhouse Gases + Greenhouse Gases + Greenhouse Gases
  40. 40. greenhouse effect But if we….. + Greenhouse Gases + Greenhouse Gases + Greenhouse Gases + Greenhouse Gases + Greenhouse Gases + Greenhouse Gases + Greenhouse Gases+ Greenhouse Gases + Greenhouse Gases + Greenhouse Gases + Greenhouse Gases + Greenhouse Gases
  41. 41. greenhouse effect But if we….. + Greenhouse Gases + Greenhouse Gases + Greenhouse Gases + Greenhouse Gases + Greenhouse Gases + Greenhouse Gases + Greenhouse Gases+ Greenhouse Gases + Greenhouse Gases + Greenhouse Gases + Greenhouse Gases + Greenhouse Gases = ENHANCED greenhouse effect
  42. 42. enhanced greenhouse effect ≠ (is not the same as) global warming
  43. 43. enhanced greenhouse effect ≠ (is not the same as) global warming = more greenhouse gas 
 = more greenhouse effect 
 = more heat trapped = increase in temperature
  44. 44. enhanced greenhouse effect global warming = more greenhouse gas 
 = more greenhouse effect 
 = more heat trapped = increase in temperature
  45. 45. enhanced greenhouse effect global warming = more greenhouse gas 
 = more greenhouse effect 
 = more heat trapped = increase in temperature one of the causes of
  46. 46. once we understand the concepts…
  47. 47. how do we explain that something caused climate change?
  48. 48. Let’s work backwards…
  49. 49. climate change
  50. 50. climate change global warming Indicates
  51. 51. climate change global warming Indicates global cooling Indicates
  52. 52. climate change various factors
  53. 53. climate change global warming Indicates various factors
  54. 54. climate change global warming Indicates global cooling Indicates various factors
  55. 55. climate change global warming Indicates global cooling Indicates increase in global temp. various factors
  56. 56. climate change global warming Indicates global cooling Indicates increase in global temp. decrease in global temp. various factors
  57. 57. once we understand the concepts…
  58. 58. causes of climate change 3
  59. 59. refer to your textbook pg 98-108 fill up the story in the handout determine what are the possible reactions and outcomes try mission on coursemology

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