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Greenhouse Gases Equivalencies Calculator - Calculations ...

-0.22 metric ton C/acre/year* × (44 units CO 2 /12 units C) = -0.82 metric ton CO 2 /acre/year sequestered annually by one acre of average U.S. forest. *Negative values indicate carbon sequestration. Please note that this is an estimate for average U.S. forests from 2017 to 2018; i.e. the annual net change in

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