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Comprehensive investigation on microplastics from source to sink
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This review paper traces microplastic pollution from where it originates to where it ends up, covering sources, detection methods, and effects on soil and water environments. It highlights major gaps in our understanding, especially around microplastics in soil compared to water, and the lack of standardized ways to measure them. The review emphasizes that microplastics are everywhere in our environment and calls for better research tools and coordinated global efforts.
Abstract This paper provides a comprehensive review on microplastic from source to sink and reviews the current state of knowledge of the topic by focusing on the articles published within the last five years on identification, quantification, analyses, and effects of microplastics on soil and aqueous environments. Microplastics are materials formed either by the degradation of the plastic into smaller micro sized particles or obtained directly in daily products such as cosmetics, toothpastes, domestic cleaning products, etc. Hence, the origin of microplastics is either a primary or secondary microplastic source. The lack of information and research conducted on microplastics in soil compared to water influenced many disparities. These include variations in defining microplastics to lack of conclusive methodologies in analysis of microplastics in soil which therefore lead to gaps in identification of plastic source and comprehension of plastic pollution in soil. The effect of microplastics on different aquatic vertebrates, mammals, and humans is studied and, in most cases, various negative effects were observed in the organism’s physiology. In addition to innovative control methods, there is a growing focus on exploring bioplastics as a potential substitute for traditional plastics. Numerous studies suggest that the environmental impact is more manageable with the production and use of bioplastics. Nonetheless, additional research is needed to confirm the viability of bioplastics as a potential solution. Graphical abstract
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[Advances in Microplastics Source Tracing Methodology in Different Environmental Media].
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