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Emerging environmental health risks associated with the land application of biosolids: a scoping review
Summary
This review examines the health and environmental risks of spreading treated sewage sludge (biosolids) on farmland, which can introduce microplastics, pharmaceuticals, and other emerging contaminants into soil and water. The authors found that current regulations do not adequately address these newer pollutants. They call for better wastewater treatment, reduced plastic and pharmaceutical use, and updated regulations to protect communities near treated farmland.
To address these current risks, there needs to be a significant investment in ongoing research and infrastructure support for advancements in wastewater treatment; expanded manufacture and use of sustainable products; increased public communication of the risks associated with overuse of pharmaceuticals and plastics; and development and implementation of regulations that are protective of health and the environment.