| 11. | Poverty and desertification are two problems that chase each other.
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| 12. | The new foundation will fight desertification and protect desert civilizations.
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| 13. | The demand for wood has resulted in deforestation and desertification.
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| 14. | Environmental problems include desertification; Wadi Gaza, which also supplies Israel.
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| 15. | Increased population and livestock pressure on marginal lands accelerates desertification.
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| 16. | Deforestation and desertification has contributed to serious levels of soil erosion nationwide.
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| 17. | Ehrlich has spoken at conferences in Israel on the issue of desertification.
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| 18. | This new use may save the windbreaks which should help fight desertification.
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| 19. | However, in arid areas, this may catalyze a desertification process.
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| 20. | Only by planting coniferous seedlings was the desertification finally stopped.
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