根据所给中文提示语，以“Saving the Earth”为题写一篇80字左右的段文。注意语句扩展，意思连惯。段文开头已给出。
中文提示语：
1. 任何保护环境已成为世界最大难题之一。
2. 垃圾污染环境、损害健康，不要到处扔垃圾。
3. 废水流到江里、湖里和田地里，污染农作物，杀死大量的鱼。
4. 保持环境干净和整洁。我们只有一个地球，应该保护她，使我们的家园更加美丽。所给词语：pollute , harm, throw, rubbish, pour, try one’s best Saving the Earth How to protect the environment becomes…

[范文]
Saving the Earth
　　Saving the Earth How to protect the environment becomes one of the biggest problems in the world. We can find the rubbish not only pollutes our environment but also harms people’s health. So we should not throw rubbish onto the ground. Some factories are pouring waste water into rivers, the lakes and the fields. It can pollute plants, sometimes it can kill lots of fish.We must keep our environment clean and tidy. We have only one earth. We must try our best to protect her, and make our home more beautiful.
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