Have you noticed the waste bins (垃圾桶) in different colors on the street? Do you often put all the waste in the same bin? It's reported by Changchun Daily that people must do waste sorting (分类) in most places in Changchun at the end of 2019.Wastle soring is a wonderful way to make good use of clergy and protest the environment. But do you know how to sort the waste?
Usually, people should sort their waste into four groups we, recyclable, armful and dry. Different kinds of waste should go into different birds. Wet waste means the things you don't want but pigs can eat, but pigs can eat, mostly coming from your mostly coming from your kitchen. Things that can be used again, such as paper, metal and glass, are recyclable waste, Harmful waste might be dangerous or case serious pollution, like medicine and batteries (电池). And airy waste that's not wet, recyclable or harmful will go into the dry waste bin.
Different countries are trying different methods to sort the waste. A university in England as invented a smart bin. When people drop their wastes into the bin. It can tell what kind of ware it is and sort it correctly. The bin can also compress the waste to make it smaller in size and take up less space, In South Korea, people have to separate their food waste from other kinds of waste and pay for it. The more food waste they throw way, the more they pay, Japan has the strictest rules for waste sorting in the word, For sample, plastic bottles and their caps should go into different bins.
