The Hong Kong government’s new HK$1 levy on all types of plastic bags, an increase from the previous 50 HK cent fee, will help combat plastic waste and encourage consumers to use reusable bags.

Is the HK$1 plastic bag fee an effective way to reduce waste in Hong Kong? Taipei has been charging for municipal waste since 2000, and Seoul since 1995. Both have seen at least 30 per cent ...