| Old Trees Used to Build Up Carbon Credits |
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For many people, buying carbon offsets has become a way to go personally "carbon neutral." But these voluntary efforts are entirely unregulated and in California, that's beginning to change. The Golden State is trying to bring credibility to carbon credits using a forest of old trees where Arnold Schwarzenegger and Nancy Pelosi have bought credits to off-set their air travel. » E-Mail This » Add to Del.icio.us Read more at: NPR Topics: Nation |
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