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,bttvb4 }2 f4 F* s: e( U1 W2 Q H
SweetLemon 發表於 2016-7-14 10:34 AM tvb now,tvbnow,bttvb: _8 v( D: C4 f3 @* F
not enough trees in the city 公仔箱論壇: B: ~& c" N" i
tvb now,tvbnow,bttvb$ ~- Z: i/ l7 J, J
No, I read that when the leaves fall it released CO2 back to nature.
# C7 j$ Z+ c p+ z0 Ltvb now,tvbnow,bttvbI don't know its true or not. |