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,bttvb2 V* A; a1 U( l: w, H) ~
SweetLemon 發表於 2016-7-14 10:34 AM + G' e/ W, O8 T9 [. B* P$ \
not enough trees in the city tvb now,tvbnow,bttvb0 Q8 y7 [; ~% c& ]/ Q
1 K& p9 k) v c& s5.39.217.76No, I read that when the leaves fall it released CO2 back to nature.
" Z0 f' t! ^9 q' T( I+ S5 r" ]0 cI don't know its true or not. |