If we go supermarket,we can use own bag.If we are lot of clothes but we don't want wear it,we can bring it to衣物回收.
We can by 公共汽車,減少by 私家車.If weather is not realy hot,we can use fans代替冷氣.If we don't stay at home,we can 關掉所有能源.
Do you kown 3R? It is reues,reduce and recycle.If you forget 節約能源,you can remammber that.
(好重要架-0-"幫幫手ar>