期刊
ACS SUSTAINABLE CHEMISTRY & ENGINEERING
卷 -, 期 -, 页码 -出版社
AMER CHEMICAL SOC
DOI: 10.1021/acssuschemeng.2c02896
关键词
Microplastics; Pollution; Great Lakes; Hazards; Regulation
资金
- University of Chicago
- Laboratory Directed Research and Development (LDRD) from Argonne National Laboratory by Office of Science, of the U.S. Department of Energy [DE-AC02-06CH11357]
This article summarizes the current state of microplastic pollution in the Great Lakes, the potential risks it poses to the environment, wildlife, and humans, as well as potential remedies and further research directions.
Microplastics (MPs) are tiny pieces of plastic (<5 mm) that have been manufactured, shed from textiles, or formed as the degradation products of macroplastics. They can be taken up by aquatic organisms, leading to their incorporation into the food chain. Humans can consume MPs from fish as well as other impacted sources including bottled and tap water. MPs may pose risks to exposed organisms, and they can also act as vectors carrying additional adsorbed chemical pollutants and pathogens. MPs are an especially important focus regarding the Great Lakes because plastics comprise most of the litter, and the Great Lakes serve as a source of drinking water for 40 million people. This perspective summarizes the current state of MP pollution in the Great Lakes and potential risks posed to the environment, wildlife, and humans. A survey of detection, separation, and quantification methods is included. Potential remedies are explored, focusing on policy, human behavior, and the goal of a circular economy. Further research directions include standardizing detection and removal methods, assessing the health risk of MPs in the Great Lakes, and evaluating mitigation options.
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