The Great Barrier Reef, a UNESCO site with colorful corals and world-class diving, attracts adventurers. Yet, it harbors 0.04–0.48 microplastics/m³, mostly microfibers from river runoff, accumulating in sediments and 92% of reef fish, posing risks to coral health [1][2].

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Citations

[1] https://pmc.ncbi.nlm.nih.gov/articles/PMC9023018/

[2] https://www.nature.com/articles/s41598-019-45340-7

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Photo:  Jessie Marie Sorenson, Unsplash