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Africa-wide “Great Green Wall” to Halt Saharas Spread?

December 29, 2009 Leave a comment

(National Geographic News) – China built its famous Great Wall to keep out marauders. Now, millennia later, a “Great Green Wall” may rise in Africa to deter another, equally relentless invader: sand.

via Africa-wide “Great Green Wall” to Halt Saharas Spread?.

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