Trees are great carbon absorbers and the Project Earth team tests an ambitious program to replenish the world's forests by planting saplings via a massive helicopter launch system.
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Project Earth: Raining Forests
Trees are great carbon absorbers and the Project Earth team tests an ambitious program to replenish the world's forests by planting saplings via a massive helicopter launch system.
Added: Mar 22, 2009
Views: 1332 Views
Runtime: 03:29
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