Essay Archive - Desertification
Desertification
Desertification is the spread of desert-like conditions in arid and
semi-arid areas, due to human influence and/or climatic change. Some of the
natural causes of desertification are wind erosion, climatic conditions,
and scarce water supply. There is a grave difference between areas where
vegetation has been retained and surrounding vegetation. For example,
"Nefta in southern Tunisia, the coverage of vegetation inside an area
fenced 60 years ago is 85%, in contrast to 5% outside the area."
Approximately one-third of the earth's land surface is semi-arid or arid.
This is th....
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