As their name suggests, microplastics are small – very small. They can measure up to 1/5 of an inch, but most are microscopic. These plastic fragments, beads, and fibers originate from the breakdown of every-day products we use and wear, such as water bottles, plastic bags, sponges, and clothing.
Some make their way into our environment as trash that has degraded over time due to wind or wave action – others enter directly via our drains. Wastewater treatment plants do trap some microplastics, but many are too small to be filtered so they are discharged back into our lakes and streams. » Continue Reading.