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Tier 2
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Original research — experimental, observational, or case-control study. Direct primary evidence.
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More than 1,200 tonnes of microplastics are dumped into Aussie farmland every year from wastewater sludge
2020
Abbas Mohajerani
Summary
Researchers estimated that more than 1,200 tonnes of microplastics are applied to Australian farmland every year through treated wastewater sludge used as fertilizer. The findings add to growing evidence that biosolids are a major pathway for microplastic contamination of agricultural soil and, ultimately, the food supply.
Study Type
Environmental
We must stop using biosolids for farmlands immediately, especially when alternative ways to recycle wastewater sludge already exist.