As of my last knowledge update in September 2021, several current practices of Circular Economy (CE) were gaining traction across various industries and regions. Keep in mind that the landscape of CE practices may have evolved since then.1
References
1Sasikala B, Dhinakaran DP, Vijai C, Kokila V, R B, Lakshmi MR. Circular Economy and Sustainable Development: A Review and Research Agenda. European Economic Letters. 13(4):558-569. https://eelet.org.uk/index.php/journal/article/view/635