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Clarifying the importance of microplastic particles as vectors for long-range transport of chemical contaminants: a response to letter to the editor
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Researchers responded to published critiques about their work on microplastics as long-distance carriers of chemical contaminants — such as flame retardants and plasticizers — clarifying that not all microplastic particles behave the same way environmentally. They argue that understanding which types of plastic particles are most likely to transport harmful chemicals over long distances is essential for accurately assessing the true risk of plastic pollution.
Abstract This correspondence article provides a response to comments that have been raised regarding the long-range environmental transport of chemical additives associated with microplastic particles and plastic debris, which includes additional clarification for the continuing need for holistic approaches. Recognizing that not all microplastic particles are equal with respect to environmental fate and toxicological effects, it is strongly encouraged that the research community continue to acquire quantitative understanding regarding which types of microplastic particles are likely to be subject to long-range transport. Comments and responses that engage in constructive dialogue represent positive contributions that can only strengthen our ability to evaluate the role of microplastic and plastic debris as vectors of transport for plastic associated chemicals, and the associated risks, which represents an important component of the scientific process.
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