Alliance for the Great Lakes Alliance for the Great Lakes The Alliance for the Great Lakes is the largest and oldest citizens' environmental organization dedicated to the protection of the Great Lakes. With more than 20 staff and six offices, its mission is to conserve and restore the world's largest freshwater resource using policy, education and local efforts, ensuring a healthy Great Lakes and clean water for generations of people and wildlife. Throughout its history, the integration of public engagement and sound policy have been the cornerstone to its approach to Great Lakes restoration and protection. The proliferation of nuclear power plants around Lake Michigan
Great Lakes is the largest lake that is entirely within one country. The Great Lakes began to form at the end of the last glacial period around 14,000 years ago, as retreating ice sheets exposed the basins they had carved into the land which then filled with meltwater. The lakes have been a major source for transportation, migration, trade, and fishing, serving as a habitat to a large number of aquatic species in a region with much biodiversity. The surrounding region is called the Great Lakes region, which includes the Great Lakes Megalopolis. Though the five lakes lie in separate basins, they