October 27, 2017
Microbeads: image, wikimedia commons
Tiny formulations of plastic, microbeads can be found in household cleaners, toothpaste, and cosmetics. After using such products, one might rinse the mop, expel the toothpaste, or simply wash one’s hands after applying makeup. But that is not the end; rather, it is the beginning of a journey made by a microbead into the water supply, perhaps culminating in an extra addition to your cup of tea. Microbeads have been found in every kind of water: lakes, rivers, oceans. Microbeads are part of advances in plastics, a substance just over 60 years old that has seen an increase of 560% since its inception. Cosmetic manufacturers like L’Oreal and and Colgate-Palmolive have taken steps to phase out the practice, using instead natural exfoliants such as apricot seeds and walnut shells. Legislation such as the Microbead-Free Waters Act of 2015 helped. In the same year, Canada presented the Microbead Elimination and Monitoring Act.
The Thames River has come back to life, thanks to laws promoting clean water and plastic prevention. Image: wikimedia.
Can emerging and refining legislation on public water supply benefit from historic laws such as the Statutory Foundation of the New River, bringing fresh running water to the city of London, enacted in 1605? Recent efforts to clear the Thames River of plastic are promising: in 1957, the waterway was declared “biologically dead” in part due to lack of repair to Victorian sewers that were damaged by World War II bombing. As repairs began, awareness of other problems such as pesticides and fertilizers improved. There are now 125 species of fish in the Thames. But as one problem was cured, another began to emerge: plastic. In 2015, 70% of the flounder in the Thames had bits of plastic in their systems. Cleaner Thames, a campaign initiated in 2015, battles the plastic waste.
Great Lakes of the United States recently measured 446,000 micro plastic particles/km2 in locations near cities. Image: “Great Lakes from Space,” wikimedia
North American waters are in peril. Recent testing of the waters in the Great Lakes found that, while the average sample contained 43,000 micro plastic particles/km2, some areas near large cities measured more than 466,000 particles/km2. It’s not just drinking water that is polluted by microplastics, it is fish and marine animals. Aquatic life ingests not only large pieces of plastic but also microscopic bits. Next time you enjoy tea with sushi, will you also contribute to community efforts and organizations that may help to prevent microbead pollution?
Baldwin, Austin K., et al. “Plastic debris in 29 Great Lakes Tributaries: Relations to Watershed Attributes and Hydrology.” Environmental Science and Technology, 2016, 50 (19), pp. 103-77-10385. http://pub.acs.org/doi/abs/10.1021/acs.est.6b02917.
Hardach, Sophie. “How the River Thames was brought back from the dead.” 12 November 2015. British Broadcasting Corporation. http://www.bbc.com/earth/story/20151111-how-the-river-thames-was-brought-back-from-the-dead/
Sierra Club. “How to handle microbeads.” http://www.sierraclub.org/sierra/2014-4-july-august/green-life/how-handle-microbeads
United States Congress. “Microbead-Free Waters Act of 2015.” H.R. 1321. https://www.congress.gov/bill/114th-congress/house-bill/1321.
Building the World Blog by Kathleen Lusk Brooke and Zoe G Quinn is licensed under a Creative Commons Attribution-NonCommercial-NoDerivs 3.0 Unported License