加拿大很多樹但也期望森林吸收掉人們無節制排放的二氧化碳。 tvb now,tvbnow,bttvb& C- y) L# y5 o+ k; ? j' c% K
SweetLemon 發表於 2016-7-14 10:34 AM os.tvboxnow.com, S0 H( g: q1 {$ b# X& e
not enough trees in the city![](http://www.tvboxnow.com/images/smilies/default/003.gif) TVBNOW 含有熱門話題,最新最快電視,軟體,遊戲,電影,動漫及日常生活及興趣交流等資訊。3 T3 f+ a9 z6 m* j3 r
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No, I read that when the leaves fall it released CO2 back to nature.公仔箱論壇* A2 E# |8 E& {5 ]' ]# r0 }
I don't know its true or not. |