Earth is the only home that we must protect. Nowadays, pollutions affect the climate deeply. Especial global warming, it has become the most serious problem in the world. The atmosphere is so thin that we human beings can destroy it easily. What's more, we also send plenty of carbon dioxide to the atmosphere. According to this, the temperature is getting higher and higher year by year and it also causes lots of diseases such as floods, droughts, storms and tsunamis. As a part of Earth, I have responsibility to protect our home. I can take more buses, less cars; I can turn off all the lights when I leave a house; I can use less paper in order to save more trees. These are all little things; however, if everyone can do these little things, it will become an awesome thing to protect our only home.
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