Separation of trash now mandatory in Shanghai

Lin Shuwen said jokingly that the person she contacts most often on instant-messaging app WeChat these days is not her husband or her best friend, but Shanghaifabu, the account of the Shanghai municipal government's information office, where residents learn about trash sorting.

Whenever Lin is unsure about which of the four trash categories－recyclable, hazardous waste, kitchen waste and residual waste－something she needs to discard belongs to, she opens the account, types in the object and receives a definitive answer.

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