In this episode of SciBud, join Rowan as we dive into groundbreaking research on how ultraviolet light alters the properties of ubiquitous plastics including polyethylene (PE) and polyethylene terephthalate (PET). With increasing plastic pollution embedding itself in our soils, understanding these transformations is crucial for environmental health. Discover how prolonged UV exposure radically reduces PE particle size from 375 micrometers to just 8, potentially contributing to the rise of nanoplastics that could disrupt soil ecosystems. While PE shows marked changes in surface charge and cation attraction capacity that influence nutrient dynamics, PET retains its stability, raising pertinent questions about long-term plastic impacts. We’ll uncover the study’s methods, findings, and critiques, emphasizing the need for further research on the interplay between plastics and soil health. Tune in to grasp the complex relationships between plastics and our environment, and spark your curiosity as we navigate these vital scientific revelations! Link to episode page with article citation: www.scibud.media/podcast/season/2025/episode/272

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