Figure 2. Trends in recycling adoption of metals (2014–2018), paper & cardboard (2003–2023), plastics (2000–2023), and glass (2009–2019). Adapted from Chen et al. (2020), Gorman et al. (2022), FAO (n.d.), OECD (2022a), and Plastics Europe (2022, 2023, 2024a).