How to protect our envrinment in our daily life?

We should open a window instead of turning on air air conditioning.And we should take our own cloth bag when shopping instead of plastic bags.[img]images/smilies/default/loveliness.gif[/img]

引用:原帖由 kazaf 于 2009-12-28 15:07 发表 [/img]: bbs.pep.com.cn/redir...=4934604&ptid=536986][img
We should open a window instead of turning on air air conditioning, and we should take our own cloth bag when shopping, instead of plastic bags.[img]images/smilies/default/loveliness.gif[/img]
The puntuation...