The Great Lakes are a collection of freshwater lakes located in northeastern North America, on the Canada – United States border. Consisting of Lakes Superior, Michigan, Huron, Erie, and Ontario, they form the largest group of freshwater lakes on Earth by total surface, coming in second by volume behind Baikal in Russia. The total surface is 208,610 km2 (80,545 sq mi), and the total volume is 22,560 km3 (5,412 cu mi) The lakes are sometimes referred to as the North Coast or “Third Coast” by some citizens of the United States. The Great Lakes hold 21% of the world’s surface fresh water. read more…