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Article
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Tier 2
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Original research — experimental, observational, or case-control study. Direct primary evidence.
Environmental Sources
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Microplastic pollution is everywhere, but scientists are still learning how it harms wildlife
2020
Kennedy Bucci,
Chelsea M. Rochman
Summary
A broad review of wildlife studies finds that microplastics frequently cause negative biological effects including reduced reproduction, altered feeding behavior, and physical damage, though results vary considerably across species and plastic types. The inconsistency highlights the need for standardized research methods to better understand which organisms and exposure levels pose the greatest ecological risk.
Many studies find microplastics have important negative effects on animals, but others don’t.