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Environmental issue
- Desertification
Index
Ⅰ. Introduction
Ⅱ. Body
Ⅱ-1 Realities of desertification
Ⅱ-2 Causes of desertification
Ⅱ-3 Solutions to desertification
Ⅲ. Conclusion
I. Introduction
These days, environmental problems are very important issues in our global world. The problems are trans-national, so we need to know the seriousness of these problems. Especially, desertification is big problems because it is strongly linked to global food security. It is related to our life. Therefore we need to recognize the seriousness of desertification and be awake of that problem.
First, we need to know what desertification is. Desertification occurs when productive land is turned into nonproductive land. Desertification means the land is useless anymore. It caused by deforestation, overgrazing, overexploitation, poor irrigation practices, over cultivation, inadequate technology and overpopulation. In the case of Aral Sea, During 40 years, it changed severel…(생략)
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ia: 41% of territory is desert (Gobi Desert). 91% of territory is undergoing a process of desertification. Last 30 years, productivity of farmland decreases 20%, 6,900,000ha of pasture vanished.
USA: 30% of territory turned into desert.
Spain: 20% of territory is desert.
Libya, Tunisia, Morocco: Every year, 1,000km² of farmland is vanished.
Africa: 43% is desert. Around Sahara Desert (Sahel Zone), 3500000km² is in danger to desertification. If this trend, in 2025, Africa can provide food to only 25% of people. In Ethiopia, the loss of crop caused by desertification is $130,000,000. In 2005, 15,000,000 people died because of drought and desertification. From 1964 to 2005, the number of migrants from Kenya to Nairobi increases 800%.
In 2007, Australia suffered continuous drought, and it caused 2008 Global Food Crisis.
`Many problems caused by desertification`
Desertification causes many problems. The disappearance of protective plant cover makes the occurrence of floods more o
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