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Photo by Jennifer Zimmerman
Per Arborday.org
FACT:
Over the course of 50 years, a single tree can generate $31,250 of oxygen, provide $62,000 worth of air pollution control, recycle $37,500 worth of water, and control $31,500 worth of soil erosion.
Saturday, July 07, 2007
Do it, Live it, Keep it Green, Save Earth
Photo by Jennifer Zimmerman
Per Arborday.org
FACT:
Over the course of 50 years, a single tree can generate $31,250 of oxygen, provide $62,000 worth of air pollution control, recycle $37,500 worth of water, and control $31,500 worth of soil erosion.
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