How the Health of the Great Lakes Affects Us All
![Mackinaw bridge at sunset](https://www.earthshare.org/wp-content/uploads/mackinac-bridge-at-sunset_1100x700-1024x652.jpg)
Written in partnership with Alliance for the Great Lakes The Great Lakes. Five massive lakes along the border of the United States and Canada that make up 20% of the world’s surface freshwater. They flaunt more than 10,000 miles of shoreline and are home to 3,500 native species of plants and wildlife—some of which are […]