Every one of us throws out a lot of garbage every day. Do you know where they go? In some areas where garbage is well managed, most of the garbage will be disposed of harmlessly, such as sanitary landfill, incineration, composting and so on. In more places, garbage is often simply piled or landfilled, resulting in rampant odor, and polluting soil and groundwater. The cost of harmless disposal of garbage is very high. According to different disposal methods, the cost of disposal of a ton of garbage varies from one hundred to several hundred yuan. People consume a lot of resources, produce on a large scale, consume on a large scale, and produce a lot of garbage.