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No, I read that when the leaves fall it released CO2 back to nature.
. U1 ~$ F5 u. _9 v& ^' H' e公仔箱論壇I don't know its true or not.
f3 b. F" t% wSweetLemon 發表於 2016-7-14 08:05 PM  A tree can absorb 13lb CO2 every year. A typical V8 car produce 220g CO2 per km. How many trees are needed? |