How to write an English composition about protecting historic sites?

According to the Chinese prompt, write a paragraph of about 80 words on the topic of "saving the earth" Pay attention to the expansion of the sentence. The beginning of the paragraph is given. English prompt: 1. Any environmental protection has become one of the biggest problems in the world. 2. Garbage pollutes the environment and harms health. Don't throw rubbish everywhere. Waste water flows into rivers, lakes and fields, polluting crops and killing a lot of fish. 4. Keep the environment clean and tidy. We only have one earth, so we should protect it and make our home more beautiful. The words given: vote, hurt, throw, finish, pour, try your best to save the earth, how to protect the environment and become …

How to save the earth and protect the environment has become one of the biggest problems in the world. We can find that garbage not only pollutes our environment, but also harms people's health. So we shouldn't throw rubbish on the ground. Some factories are discharging waste water into rivers, lakes and fields. It pollutes plants and sometimes kills a lot of fish. We must keep our environment clean and tidy. We only have one earth. We must do our best to protect her and make our home more beautiful.