How to Save Earth


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How to Save Earth

  1. 1. Nature matters (or How to save the Planet) By João Paulo Alves
  2. 2. This is Earth Not actual size
  3. 3. It is extremely small Sun (too big to fit on this graphic) Jupiter Saturn Source: Wikipedia
  4. 4. Yet it is treated as if its resources were infinite They are clearly not!
  5. 5. Problems are
  6. 6. There are all sorts of problems Lack of fresh Global warming Deforestation watter
  7. 7. Earth is getting hot.
  8. 8. Green house gases are causing this
  9. 9. Gases that come mostly from human activity and burning of fossil fuels.
  10. 10. Forests are being destroyed
  11. 11. Forests are being destroyed
  12. 12. An area equivalent to football fields of amazonian forest will have been destroyed when you finish this presentation Source: Greenpeace
  13. 13. This area used to be Amazonian forest asd 245 miles (394 km) 181 miles (291 km) Source:,-62.056274&spn=3.785855,4.768066&z=8
  14. 14. This area used to be Amazonian forest asd 245 miles (394 km) Now it’s completely gone 181 miles (291 km) Source:,-62.056274&spn=3.785855,4.768066&z=8
  15. 15. We’re also running out of fresh
  16. 16. “ By 2025, one third of the global population will not have access to ” adequate drinking water. Lord Nicholas Stern, author of the Government's Stern Review on the economics of climate change
  17. 17. “Is it a crisis? If we don't do some decent water planning, it could be.” Jack Hoffbuhr, director of American Water Works Association.
  18. 18. We’re clearly heading into the wrong direction
  19. 19. Turn off lights and appliances when you leave a room.
  20. 20. Turn off lights and appliances when you leave a room.
  21. 21. Use public transportation
  22. 22. Use public transportation Or better
  23. 23. WALK!
  24. 24. But if you really have to
  25. 25. Choose an hybrid Photo by Udo Richter
  26. 26. An hybrid car,,that is.
  27. 27. Plant a tree
  28. 28. Verify that your home is leak-free.
  29. 29. Reduce the amount of time you spend on the shower
  30. 30. Buy recycled paper.
  31. 31. Buy recycled paper. (No, I also did not know that recycled toilet paper existed)
  32. 32. Prefer fluorescent lights.
  33. 33. Turn off electronics in stand-by.
  34. 34. cle
  35. 35. Alert younger generations about these issues
  36. 36. And remember what Chief Seattle once said Photo by DartVader
  37. 37. Photo by valerio
  38. 38. THE END Or is it just a new beginning?
  39. 39. All Images taken (with the owners’ permission) from: