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。
3 W; h/ Y& z* a, v: H; T5 s- qSweetLemon 發表於 2016-7-14 10:34 AM 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。& x+ J% U- Z9 S* f0 s
not enough trees in the city " i7 N. A `7 S& g公仔箱論壇
2 z% h0 X n x' Y: vtvb now,tvbnow,bttvbNo, I read that when the leaves fall it released CO2 back to nature.
: T$ P' h4 B! P# ~0 X q/ z: q. bI don't know its true or not. |