Reane Liselle, a water resource specialist from Northland College’s Mary Griggs Burke Center for Freshwater Innovation, filters water as she collects samples for Lake Superior on Sept. 22, 2020 in Washburn. Researchers are trying to determine why Lake Superior is under the threat of harmful algal blooms and how climate change is affecting one of the largest freshwater lakes in the world. (Erin Hooley/Chicago Tribune).
Top environment stories 2021: A paltry quantity of lead pipe replacements and pollution next door. There are trillions of invasive mussels covering Lake Michigan.
