Part one of term paper
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 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 sout ...

Part two of term paper
... their output could be worth at least $20 billion a year...the expense of rehabilitating the degraded lands, and of halting the spread of deserts, need no more than $2.5 billion a year." Even though the governments refuse to put money into the fight against desertification there is still hope through many agricultural foundations that aid poorer countries. If this money is used wisely then the causes of desertification may be stopped. Desertification is caused not only by nature but also by huma ...