The production of synthetic turf has grown significantly over the past few decades as a low maintenance alternative to natural grass. While it offers benefits like resilience and reduced water use in commercial and public grounds, the environmental impact of its manufacturing process is complex and often overlooked. Synthetic turf is typically made from fossil fuel-derived polymers such as PE, PP, and nylon fibers. These materials are derived from crude oil and natural gas, which require high-consumption drilling and processing that emit carbon dioxide and methane, accelerating global warming.

The manufacturing of synthetic fibers involves high temperatures and chemical treatments that can emit volatile organic compounds and other air pollutants. Factories producing synthetic turf also require massive energy and water inputs, further amplifying their environmental burden. In addition, the backing material that holds the fibers together often contains polyurethane-based binders, which may involve additional chemical processing and produce toxic byproducts if not rigorously regulated.

One of the most concerning environmental issues is the use of tire-derived particles, commonly made from discarded automotive tires. While recycling tires seems beneficial, the infill can break down over time and release microplastics and toxic chemicals into the groundwater and surface runoff. These particles can be carried by rainwater into streams and rivers, potentially disrupting marine and freshwater ecosystems and bioaccumulating in organisms. There is also evidence that these materials may trigger respiratory and dermatological issues when exposed through skin contact, especially in youth and 熊本 人工芝 業者 school playing surfaces.

The lifecycle of synthetic turf is another factor to consider. Most fields last between 7–18 years before needing replacement. At the end of their life, synthetic turf is virtually unrecyclable due to the heterogeneous blend of plastics and fillers. As a result, large amounts of synthetic turf are dumped as non-hazardous waste, where they can remain intact for millennia. Limited collection and reprocessing networks and the no national guidelines for turf waste make responsible end-of-life management a significant challenge.

Efforts to reduce environmental harm include developing eco-friendly biopolymers and non-toxic infill alternatives such as organic aggregates like walnut shells or hemp fibers. Some manufacturers are also investing in recycling pipelines to recycle old turf into new products. However, these innovations are still in pilot development and face limited scalability due to higher expenses and durability limitations.

Ultimately, while synthetic turf can eliminate irrigation needs and remove chemical lawn care demands, its manufacturing and end-of-life phases carry hidden ecological debts. Consumers and institutions must evaluate the net environmental impact. Choosing synthetic turf should involve conducting a comprehensive life cycle assessment, preferring companies with verified eco-standards, and exploring alternatives where feasible. Without better regulation, recycling systems, and cleaner materials, synthetic turf may address one issue while generating more severe downstream impacts.