“…It was observed that the topic of recycling in early childhood education has become popular both in Turkey and the rest of the world in recent years (e.g. Bolanos, Reeve, Reeve, Sidener, Jennings, & Ostrosky, 2020;Buil, Roger-Loppacher, & Tintoré, 2019;Kartal & Ada, 2020;Mackey, 2014;Onur, Çağlar, & Salman, 2016;Öztap & Bartan, 2019;Schill, Godefroit-Winkel & Hogg, 2020;Tosun & Demir, 2018). Mackey (2014) studied children for their understanding of the concept of recycling and emphasized that during the sustainability education process included in the program, preschool sought ways to improve their sustainability practices.…”