跪求一篇关于科学的英语论文（150词左右，不要多，少一点可以）

We only have one world.
.AS is known all ,we have a beautiful world .We can see the sun shining ,we can see the brids flying in the sky,we can see the horses running on the plain ,However,the environmental protection is becoming one of the most inportant,issues in the world ,Then,how should we protection the planat?
As the citizen , we can do much for it .For example ,we could use disposable goods less .Also,we ought plant more trees to redace the greenhouse effect .In addition we could try our best to publicize the knowlrdge of environmental protection. because we only have one world..

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