The earth is our home， we should protect it。So I always walk or ride a bike to school instead of taking my father's car。 I will try to use recycled things and I never forget to turn off the lights when I leave the classroom。 I think it's our duty to help protect our environment。And even the simplest everyday activities can make a real difference to the environment。I suggest we should use every piece of paper on both sides。 And we'd better not spend much money on expensive clothes。 If everyone does something for the environment， our city will become more and more beautiful。 地球是我们的家园，我们应该保护它。所以我总是步行或骑自行车上学而不是将我父亲的车。我将尝试使用可回收的东西，我永远不会忘记关灯当我离开教室。我认为这是我们的责任来保护我们的环境。甚至最简单的日常活动也能对环境产生一定的影响。我建议我们双方应该使用每一张纸。我们最好不要花太多钱在昂贵的衣服。如果每个人都为环境做的，我们的城市将会变得越来越美丽。

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