SweetLemon

交通空氣污染應該都幾嚴重呀
  l# }- ]& |7 R, Efree2penny 發表於 2016-7-12 09:30 PM

  p, @" d+ i5 k" N  F9 Sos.tvboxnow.com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。

SweetLemon

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。公仔箱論壇' e) x5 R1 b- P6 m4 p2 o: ?5 f9 h! r
SweetLemon 發表於 2016-7-14 10:34 AM tvb now,tvbnow,bttvb1 [" `' \9 ~6 l0 H" o% X
not enough trees in the city

1 f4 u( e8 d5 [5 g& ?, s3 t公仔箱論壇
8 m% n2 I$ b; E6 j# ~) G公仔箱論壇No, I read that when the leaves fall it released CO2 back to nature.& ~; z5 Y& z3 w( [
I don't know its true or not.