Basic overview of the Greenhouse Effect with diagrams

1. Greenhouse
effect

3. 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

4. http://saferenvironment.files.wordpress.com/
2008/10/greenhousegaschart.png

5. 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

6. 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?