A study commissioned by the UK Department of Environment, Food and Rural Affairs (Defra) has concluded that containment measures represent a cost-effective and practical solution to reducing emissions of intentionally added microplastics.
The study was commissioned as part of the UK REACH 2022/23 Work Programme.
The study evaluates the risks and policy options for microplastics intentionally added to products and models the environmental and socioeconomic impacts of various risk management options over the period from 2024 to 2043. This also included a detailed assessment of containment measures for synthetic turf sports pitches.
Among six policy options evaluated to reduce emissions, containment measures for infill materials used in synthetic sports surfaces were found to be the most cost-effective and least economically disruptive.
More affordable option
With an estimated implementation cost of GBP 6 million per year, using containment measures could achieve nearly the same reduction in microplastic pollution from sports surfaces as a full or partial ban, but at a fraction of the cost.
“Implementing containment strategies—such as barriers, filters, or changes in design—could dramatically cut emissions without imposing prohibitive costs on the sports industry,” the report suggests.
In contrast, broader bans on intentionally added microplastics could cost up to GBP 601 million annually, largely due to the expense of substituting materials used in synthetic sports pitches.
Direct runoff
The study used a dynamic exposure model (UTOPIA) to trace how microplastics from sports pitches move through the environment. It found that urban soils bear the highest concentration of exposure, largely due to direct runoff from artificial pitches. The contribution of sports surfaces to microplastic contamination in freshwater environments was also substantial.
With mounting pressure on sports organisations and facility managers to address environmental impacts, the findings signal that containment—not replacement—may offer a viable path forward. Defra is currently reviewing the findings and consulting stakeholders on future actions.
The decisions that follow could redefine the future of artificial playing fields across the UK—where performance must now be balanced with environmental responsibility.