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What is in the snow pile? Microplastics and rink ice-shaving waste
AI summary Read the abstract
When ice rinks get resurfaced (think Zamboni machines), the shaved-off snow piles up as waste — and this research found that snow contains microplastics, tiny plastic particles likely worn off from skate blades, rink equipment, and the ice surface itself. This waste is usually just dumped or melted without a second thought, meaning those plastic bits can wash into waterways and soil, adding to the microplastic pollution that scientists are still studying for its effects on our health. It's a reminder that plastic pollution shows up in unexpected everyday places, not just obvious sources like bottles and bags.
Newsletter translating peer-reviewed research on microplastics in ice rink resurfacer snow for an industry and general audience. The content focuses on ice shavings as an overlooked waste stream and is based on work published in Environmental Science: Processes & Impacts (DOI: 10.1039/d5em01017a).
More Papers Like This
What is in the snow pile? Microplastics and rink ice-shaving waste
AI summary Read the abstract
When ice rinks get resurfaced (think Zamboni machines), the shaved-off ice and snow piles up as waste — and this research found that pile is loaded with tiny plastic particles, likely worn off from the resurfacer's blades and the rink surface itself. Since that snow often just gets dumped outside or down the drain, it's another route for microplastics to leak into our soil and water, adding to the broader mix of plastic pollution scientists are still working to understand the health effects of.
Microplastics and PMT plastic-associated chemicals as co-contaminants in ice shaving waste from an urban ice rink.
AI summary Read the abstract
Scientists testing ice shavings from a Toronto ice rink (the leftover snow from resurfacing machines) found surprisingly high levels of tiny plastic particles and plastic-related chemicals, likely coming from the rink's equipment and surfaces. This matters because that waste ice is often dumped into sewers or outdoors, meaning these contaminants could be leaking into our water systems and environment—and with nearly 8,000 rinks across Canada alone, this could add up to a much bigger pollution source than anyone realized.
Analysis of small microparticles from snow in Park City, Utah (USA): How much of it is plastic?
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Scientists tested snow from a Utah ski resort and nearby mountains and found tiny plastic particles and fibers in every single sample — even at the highest, most remote spot, where levels were actually worse than in town. This suggests these tiny plastics are traveling through the air from far away, meaning even "pristine" snow you might ski on or that melts into drinking water supplies isn't free from plastic pollution, and levels seem to be climbing over time.
Micro- and nano-plastics in the global cryosphere: sources, transport, distribution, and impacts
AI summary Read the abstract
Tiny plastic bits called micro- and nano-plastics have been found in snow and ice from the Arctic, Antarctic, and mountain glaciers, mostly carried there through the air and settling like invisible dust. This review of existing studies shows that as this ice and snow melts, it can release years of stored plastic pollution into rivers, oceans, and food chains all at once—meaning frozen regions aren't just collecting plastic, they're also quietly saving it up to release later, with unclear but concerning effects on wildlife, ecosystems, and potentially the food we eat.
Analysis of small microparticles from snow in Park City, Utah (USA): How much of it is plastic?
AI summary Read the abstract
Researchers collected fresh snow from ski areas in Park City, Utah and found microplastic concentrations ranging from 30 to 4,000 particles per 50 mL sample, with surprisingly high concentrations even at remote high-altitude sites far from direct human activity. The findings demonstrate that atmospheric transport can carry microplastics to pristine mountain snowpack, highlighting their pervasive environmental reach.
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When a large batch of papers lands in the Atlas, we read through it and send a short write-up of what stood out.