When throwing away rubbish, do you know which bin it should go in? ①Have you ever noticed the differently—colored rubbish bins on the street
Some of you might not be able to answer the questions. However, it's actually quite important to know how to sort（分类）your waste. Not knowing how to sort waste can make it harder to save energy and protect the environment.
If you don't sort your rubbish, all of it will be buried（埋）together. It can take up large areas of ground that could have been used for planting trees. The electronic waste you throw away, such as
batteries（电池），can pollute the earth and groundwater. Other waste, like the metal part of a pen, can be used to make other things if it is properly recycled.
With this in mind, many cities in China have been organizing waste—sorting activities in recent years. ②For example, Shanghai government has asked all the people who live there to sort their waste. "Wet waste" is also known as household waste. People produce it every day after they eat or drink. "It is the thing you don't want but that pigs can eat，"Guangzhou Daily explained. Paper,metal, glass and other things that can be reused are recyclable waste. Harmful waste includes things like medicine, batteries and fluorescent bulbs（荧光灯泡）。Finally，any waste that's not wet, recyclable or harmful will go in the "dry waste" bin.
Many other Chinese cities, including Shenzhen, plan to use this method to sort their rubbish. Now that you know this, perhaps you can do your part to protect the environment.
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