Synthetic turf is a man-made, non-living replacement of turfgrass that requires no water or maintenance. The grass blades are made of fibers such as nylon or plastic while the base is typically a crumb rubber made from used tires, plastic pellets or sand.
Synthetic grass usually contains PFAS chemicals. According to the Environmental Protection Agency, PFAS chemicals are a known carcinogen which can interfere with hormones, reproduction, immunity and cause developmental delays in children.
Adam Smith, an associate professor of environmental engineering at the University of Southern California, said although research is still being done to understand fully what the health implications of the chemical are, current research suggests that “PFAS is absolutely bad for human health.”
“Certainly, in terms of the drought, (synthetic turf) seems great, but there’s all of these downsides,” Smith said.
According to experts, these chemicals can enter the human body through contact with skin, by breathing the particles in or through water sources, especially groundwater sources, that can get contaminated during leaching.
Microplastics from the grass blades and crumb rubber can also leach into groundwater and freshwater bodies.
“These molecules are actually entering the food chains in the ocean, and they’re in our system, they’re in our blood, they’re in our muscles,” said Sylvia Earle, a marine life advocate and former chief scientist at the National Oceanic and Atmospheric Administration.
“We’ve changed the nature of nature through actions that we’ve taken. Now they are coming back to haunt us.”
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