Erosion is the cancer of agriculture http://www.agrisa.co.za/Dokumente/Hulpbron/Erosie.pdf Erosion is a major environmental problem in South Africa and there are currently no official structures in place to monitor and control erosion.…
Desertification http://en.wikipedia.org/wiki/Desertification From Wikipedia, the free encyclopedia Global desertification vulnerability map Lake Chad in a 2001 satellite image, with the actual lake in blue. The lake has shrunk by 94%…
Causes and Effects of Desertification http://desertificationb.tripod.com/id3.html WHAT CAUSES DESERTIFICATION? Overgrazing Overgrazing was not as large of a problem long ago because animals would move in response to rainfall. People would…