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Greenhouse effect

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Basic overview of the Greenhouse Effect with diagrams

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Greenhouse effect

  1. 1. Greenhouse effect
  2. 2. Greenhouse gases Gas Main Source Green house factor % contribution 0.1 - Water Evaporation Carbon dioxide Combustion of fossil fuels 1 50 Methane Anaerobic decay, intense farming 30 18 CFCs Refrigerants, pollutants, foaming agents, solvents 20000 14 Ozone Secondary pollutant – pc smog 2000 12 Dinitrogen monoxide Artificial fertilizers, combustion of biomass 160 6 Sulfur hexafluoride Insulator in electrical industry 22000 0.05 Higher Level Chemistry, Brown and Ford, 2009
  3. 3. http://saferenvironment.files.wordpress.com/ 2008/10/greenhousegaschart.png
  4. 4. Effects of an increase in global temperature 1. 2. Changes in agriculture – crop yield Changes in biodistribution a. b. 3. Desertification Loss of cold water fish habitat Rising sea-levels
  5. 5. Link to ToK  What’s in a name?  We no longer use the words global warming, but we use the words climate change instead.   What is the difference between the two terms? Why is one term found more acceptable than the other?

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