Adriana Pérez is an environment reporter, covering the Great Lakes, climate change, environmental justice, wildlife, science and more. Occasionally, she writes about breaking news and immigration. A graduate of the University of Notre Dame, she hails from Guayaquil, Ecuador. Send her your story tips and almond croissant recommendations.
In 2024, over 300 beaches across the Great Lakes closed to visitors or issued swim bans or advisories due to the presence of bacteria in the water — mostly E. coli.
Before hundreds of swimmers are set to jump into the Chicago River in September, organizers and advocates say they are taking a "victory lap" of their own.