![](https://research.class.cityu.edu.hk/wp-content/uploads/2023/10/20231020_CLASS_Research_Circular_Economy_Cover-1-219x146.png)
The circular economy (CE) is seen as more environmentally-friendly and in some ways better fits the imperatives of the United Nations Sustainable Goals. Professor Kris HARTLEY, Assistant Professor in CityU’s Department of Public and International Affairs, conducted a study to fill a CE research gap by introducing a policy framework for CE that includes over 100 policy instruments. The article is part of Kris’s broader research agenda to understand new public policy models for 21st century challenges.