The main local environmental group Friends of the Earth Hong Kong spokeswoman MichelleAu said, according to government statistics, the implementation of plastic bag use tax on merchants in plummeted by 77%. However, according to local Hong Kong newspapers reported that, because there are many shops not included in the scope of taxation, landfill disposal of plastic bags in Hong Kong last year, the number declined by only 5.7%. Manufacturing of plastic bags as a response to Chamber of…