At least 1,241 tonnes of microplastics are dumped into Aussie farmland every year from wastewater sludge
- Written by Abbas Mohajerani, Associate Professor, RMIT University

Every year, treated wastewater sludge called “biosolids” is recycled and spread over agricultural land. My recent research discovered this practice dumps thousands of tonnes of microplastics into farmlands around the world. In Australia, we estimate this amount as at least 1,241 tonnes per year.
Microplastics in soils can th...