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Greenhouse effect

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  • Recently I found this interesting article about a study by Nasa on greenhouse effect http://www.paperleap.com/articles/en/greenhouse-gases-are-warming-the-world
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Greenhouse effect

  1. 1. Greenhouse Earth
  2. 2. Greenhouse effect:1. sunlight streams through atmosphere & hits Earth.
  3. 3. 2. Hot air rises - some air escapes to space- some air is trapped by gases in the troposphere
  4. 4. Greenhouse Gases: gases that trap & radiate heat
  5. 5. Greenhouse Gasesqwater vapor methane qqCO2 qnitrousqchlorofluoro oxide -carbons (CFCs)
  6. 6. Greenhouse Gases Whichgreenhouse gas is the CO2 mostimportant?
  7. 7. Why?Extra CO2 in theatmosphere traps more heat.This CO2 comes from:
  8. 8. 1. burningfossil fuels
  9. 9. 2. Deforestation (less plants left to absorb CO2)
  10. 10. Global Warmingavg. temp of Earth may increase by ~4° F by 2050.
  11. 11. Consequences1. more hurricanes, droughts, and floods
  12. 12. Consequences2. Weather patterns change
  13. 13. Consequences3. Higher sea levels (some coasts under water)
  14. 14. Slow down GH Effect1. reduce use of fossil fuels
  15. 15. Slow down GH Effect2. preserve forests, plant trees

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