Grant helps UMD look into impacts plastic has on Lake Superiorhttps://umn.us2.list-manage.com/track/click?u=099a9196d58c0806a6976600b&id=9c6bc1599b&e=37a773a543 Publication Date 09/23/2020 Source Fox 21 Associated Research Projects Microplastics in Lake Superior: An Investigation of Size, Composition, and Weathering.