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。![](http://www.tvboxnow.com/images/smilies/default/003.gif)
( n) N, O! m# k$ Y9 T" L公仔箱論壇SweetLemon 發表於 2016-7-14 10:34 AM 9 K8 p- A# m$ Q6 v9 ?) g \
not enough trees in the city![](http://www.tvboxnow.com/images/smilies/default/003.gif) % Z( h) |' R2 f5 f# V, p. iwww2.tvboxnow.comwww2.tvboxnow.com# ]4 t6 d, l1 H5 Z* G" U: R
No, I read that when the leaves fall it released CO2 back to nature.tvb now,tvbnow,bttvb8 J3 O& P) u; i1 i9 F) V* {
I don't know its true or not. |