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No, I read that when the leaves fall it released CO2 back to nature.: g7 i* F; W+ z% d, p0 x
I don't know its true or not.tvboxnow.com' g- ]( z; l! A+ f8 l; h! k+ g2 s6 c
SweetLemon 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? |