Greenhouse Effect and Global Warming

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Greenhouse Effect and Global Warming

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Greenhouse Effect and Global Warming

  1. 1. •Rise in Earth’s temperatureRise in Earth’s temperature •By certain atmospheric gasesBy certain atmospheric gases •That trap the Sun’s energyThat trap the Sun’s energy
  2. 2. •Water vapor (HWater vapor (H22O)O) •Carbon dioxide (COCarbon dioxide (CO22)) •Nitrous oxide (NNitrous oxide (N22O)O) •Methane (CHMethane (CH44))
  3. 3. •Heat would escape back into spaceHeat would escape back into space •Earth’s temperature would be 60Earth’s temperature would be 60ºF colderºF colder •Makes Earth suitable for lifeMakes Earth suitable for life
  4. 4. •Trap heat from sunTrap heat from sun •Glass lets in lightGlass lets in light •Glass keeps heat fromGlass keeps heat from escapingescaping •Causes greenhouse to heatCauses greenhouse to heat upup
  5. 5. •Glass lets in lightGlass lets in light •Glass keeps heat from escapingGlass keeps heat from escaping •Causes the car to heat upCauses the car to heat up
  6. 6. •Sun’s energy passes through atmosphereSun’s energy passes through atmosphere •26% is reflected or scattered26% is reflected or scattered •19% absorbed by clouds, gases, and particles19% absorbed by clouds, gases, and particles •4% reflected to space by surface4% reflected to space by surface •51% reaches the surface51% reaches the surface
  7. 7. •Heating of the groundHeating of the ground •Melting of ice and snowMelting of ice and snow •Evaporation of waterEvaporation of water •Plant photosynthesisPlant photosynthesis
  8. 8. •Deforestation and agricultureDeforestation and agriculture •Burning of fossil fuels, gasoline, oilBurning of fossil fuels, gasoline, oil •Burning of wood and coalBurning of wood and coal •CFC’sCFC’s •Population GrowthPopulation Growth
  9. 9. http://earthguide.ucsd.edu/earthguide/diagrams/greenhouse/
  10. 10. •Global WarmingGlobal Warming •Endangered SpeciesEndangered Species •Climate ChangeClimate Change
  11. 11. •Heat trapped inside EarthHeat trapped inside Earth •General warming effect createdGeneral warming effect created •Increase in air and oceanIncrease in air and ocean temperaturestemperatures •Vital issue in societyVital issue in society
  12. 12. •Greenhouse gases increase through human activityGreenhouse gases increase through human activity •DeforestationDeforestation •Use of fertilizersUse of fertilizers •Burning of organic matterBurning of organic matter •Burning of fossil fuelsBurning of fossil fuels
  13. 13. •Climate changesClimate changes •Changes in wildlife adaptationsChanges in wildlife adaptations and cyclesand cycles •Melting of polar ice capsMelting of polar ice caps •Increase in sea levelIncrease in sea level •Flooding in coastal areasFlooding in coastal areas •Ocean AcidificationOcean Acidification
  14. 14. •Species becoming endangered/extinctSpecies becoming endangered/extinct •Heavy droughtHeavy drought •Spread of diseaseSpread of disease •Rise in tidesRise in tides •Change in weather patternsChange in weather patterns
  15. 15. •Natural resources depletedNatural resources depleted •Need balance betweenNeed balance between environment and industryenvironment and industry •Greenhouse gas emissionsGreenhouse gas emissions reduced by 80%reduced by 80%
  16. 16. •ReforestationReforestation •Personal ActionsPersonal Actions •Climate PolicyClimate Policy
  17. 17. Answer the following questions – Describe the greenhouse effect – List the possible causes of greenhouse effect – List the possible causes of global warming – List the consequences of global warming
  18. 18. • D'Silva, R. (2007, April 28).D'Silva, R. (2007, April 28). Causes of the Greenhouse EffectCauses of the Greenhouse Effect. Retrieved. Retrieved September 27, 2009,September 27, 2009, from Buzzle.com website: http://www.buzzle.com/articles/causes-from Buzzle.com website: http://www.buzzle.com/articles/causes- greenhouse-effect.htmlgreenhouse-effect.html • Nave, C. (2005).Nave, C. (2005). Hyperphysics: Greenhouse EffectHyperphysics: Greenhouse Effect. Retrieved September 27,. Retrieved September 27, 2009, from Georgia2009, from Georgia State University website: http://hyperphysics.phy-State University website: http://hyperphysics.phy- astr.gsu.edu/hbase/thermo/grnhse.htmlastr.gsu.edu/hbase/thermo/grnhse.html • Pidwirny, M., Dr. (2006).Pidwirny, M., Dr. (2006). The Greenhouse EffectThe Greenhouse Effect. Retrieved September 27, 2009,. Retrieved September 27, 2009, fromfrom Fundamentals of Physical Geography, 2nd Edition website:Fundamentals of Physical Geography, 2nd Edition website: http://www.physicalgeography.net/fundamentals/7h.htmlhttp://www.physicalgeography.net/fundamentals/7h.html • United States Environmental Protection Agency. (2006, October 23).United States Environmental Protection Agency. (2006, October 23). GreenhouseGreenhouse Effect...Effect... Retrieved September 27, 2009, from United States Environmental ProtectionRetrieved September 27, 2009, from United States Environmental Protection AgencyAgency website: http://www.epa.gov/climatechange/kids/greenhouse.htmlwebsite: http://www.epa.gov/climatechange/kids/greenhouse.html • University Corporation for Atmospheric Research. (2000-2001).University Corporation for Atmospheric Research. (2000-2001). Cycles of the EarthCycles of the Earth andand Atmosphere: A Website for TeachersAtmosphere: A Website for Teachers. Retrieved September 27,. Retrieved September 27, 2009, from University2009, from University Corporation for Atmospheric Research website:Corporation for Atmospheric Research website: http://www.ucar.edu/learn/1_3_1.htmhttp://www.ucar.edu/learn/1_3_1.htm

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