Great Lakes Awareness Day is observed on May 5 and focuses on the five major freshwater lakes: Superior, Michigan, Huron, Erie, and Ontario, which span the U.S. and Canada. This day highlights the importance of these lakes, which provide drinking water for over 40 million people and support diverse ecosystems with more than 3,500 species of plants and animals. It raises awareness about the environmental challenges these lakes face, including pollution, invasive species, and climate change. The day encourages communities to engage in conservation efforts and promotes discussions about water health and pollution. Initially started as a local response to concerns over the Line 5 pipeline, the event has grown to encompass broader environmental issues, with schools and organizations participating in educational activities. Great Lakes Awareness Day serves as a reminder of the vital role these lakes play in the lives of millions and the need for collective action to protect them.