Currently，my school is launching an activity whose theme is that actions change the world to advocate the low carbon living。
In the activity，we are required to go to school or some other place by bike or by foot as much as possible instead of by bus。And when the Christmas es，sending e-greeting cards instead of tridional cards of which are made of wood as we know。Besides，we should use both sides of every piece of paper and we should save water as well as electricity。
I believe that only we do thus can we have a better living environment。
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