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A comment on Empress trees absorb about 103 tons of carbon a year per acre. Parent comment

Re:Empress trees absorb about 103 tons of carbon a year per ... by markdown on Friday August 02, 2019 @07:32PM (#20597555)
> In 2016, U.S. GHG emissions were 20.15 metric tons CO2-equivalent per person

Is that per year or per average lifetime?

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