Michigan’s economy and identity are closely tied to the Great Lakes, and climate change is affecting these freshwater resources, causing warmer water temperatures, changes in lake levels, and impacts on aquatic life. Warmer water temperatures can disrupt fish populations, affect water quality, and contribute to harmful algal blooms. Changes in precipitation patterns and increases in evaporation rates due to rising temperatures is already affecting water levels in the Great Lakes. The impacts on the local environment and economies are hard to overstate.