Microplastics, fragments of plastic measuring less than 5mm in length, have become pervasive due to the excessive production of synthetic polymers. This environmental concern stems from the overuse and inadequate disposal of plastics, leading to their breakdown into smaller particles. Evidence points to these tiny plastic pieces infiltrating ecosystems extensively, with studies detecting them in 90% of protein types, fruits, vegetables, bottled water, and even prenatal human placentas. Recent findings have unveiled that the issue is more severe than initially believed, with microplastics now found in freshwater systems and remote locations such as the Arctic.
The root cause of microplastic pollution lies in the unsustainable handling of plastic waste. The breakdown of larger plastic items into these minuscule particles occurs through various processes, including weathering, mechanical breakdown, and the degradation of plastic products over time. Additionally, the use of recycled sludge from sewage treatment as agricultural fertilizer contributes to the recycling of microplastics in the environment, potentially accumulating in the soil on farmland.
While the implications of microplastics on human health remain uncertain, concerns arise from potential chemical disruptions or physical accumulation in circulatory, respiratory, or digestive systems. Despite the global awareness of the issue, addressing microplastic pollution requires a comprehensive shift towards sustainable alternatives, such as biodegradable plastics or those easier to chemically recycle. Urgent action is necessary to incentivize consumers and businesses to adopt eco-friendly practices and reduce the environmental impact of plastic consumption.
If you are still hungry for more microplastics, check out Joel Snapeās article here: Should I worry about microplastics? | Pollution | The Guardian