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August 19, 2009


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To soak that up, you'd need to plant some 270 Douglas firs, assuming all of them make it to age 50. However, only 35 percent are likely to live that long, so you'd need to plant about 800 trees--requiring some 11 acres--to compensate for the firs that are bound to fall.

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I hope that it could be better if that kind of practice can become viral. People all over the world try to plant trees.

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