Emerald Swirls of Algae in Lake WinnipegAn influx of nutrients in recent decades has contributed to the proliferation of algae in the large Canadian lake. Read the full storyImage Credit: NASA Earth Observatory/Wanmei Liang Facebook Pinterest X LinkedIn Email https://science.nasa.gov/image-detail/lakewinnipeg-oli2-2023268/Copy URL to clipboard> DownloadShareTagsEarth Observatory Image of the DayTakenSeptember 25, 2023Image CreditNASA Earth Observatory/Wanmei LiangSize720x1000px