When throwing away rubbish, do you know which bin it should go in? Have you ever noticed the differently colored bins on the streets? Some of you might not be able to answer this question easily. However, it's actually quite important to know how to sort your waste because not knowing how to sort waste can make it harder to save energy and protect the environment.
If you don't sort your waste, all of it go to a landfill(垃圾填埋地) and be berried together. These landfills can take up large areas of land that could have been used for planting trees or crops. The electronic waste you throw away, such as batteries, can pollute the soil and groundwater. Other pieces of waste, like the metal part of pen, can be used to make other things if they are properly recycled.
With this in mind, many cities in China have been running waste-sorting campaign (活动) recent years. For example, Shanghai announced in July that within three-years, all of its citizens should sort their waste into four groups: wet waste, recyclable waste, harmful waste and dry waste.
Wet waste is also known as household waste. "It is the thing you don't want but 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 Xi'an use this method to sort their garbage. Now that you know this, perhaps you can do your part to protect the environment and encourage others to sort their waste.
—Because it will be for us to save energy and protect the environment if we know how to deal with waste.
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