The Great Lakes hold 21% of our natural freshwater supply. I am a limnologist living in Detroit, Michigan. My city is located near Lake Erie and I visit it weekly with my research team to record the changes in the lakes. I've written two books: one about Lake Erie and the other about Lake Huron. Many believe that The Great Lakes are dying; as an expert and an experienced scientist, I can confirm that this is true mostly because of pollution, habitat loss, and non-native species entering the lakes. Pollution is a serious issue that is negatively impacting The Great Lakes. Chemicals found inside the lakes are proven to be harmful to humans who consume fish from the lakes. A study found that people who ate more than 24 pounds of fish from Lake
