The Atmosphere - Useful Websites

Below are some useful websites relating to the Earths Atmosphere:

• An Index of A - Level Geography Atmosphere Information - Particularly Interesting

http://atschool.eduweb.co.uk/kingworc/departments/geography/nottingham/atmosphere/pages/indexalevel.html

• An interesting website exploring all elements in the Earth's Atmosphere, including the Greenhouse Effect and Global Heat Balance:
  

http://www.physicalgeography.net/fundamentals/chapter7.html

• The Fours Spheres of the Earth:
  

http://geography.about.com/od/physicalgeography/a/fourspheres.htm