Great Lakes

Great Lakes is a group of five large lakes in North America. They are Lake Superior, Lake Michigan, Lake Huron, Lake Erie, and Lake Ontario. The Great Lakes are the largest group of freshwater lakes on Earth by total area, and second largest by total volume.

Geography

The Great Lakes are located in northeastern North America, on the border between Canada and the United States. They form a significant part of the border between these two countries. The Great Lakes are connected by a number of rivers, straits, and other waterways.

Hydrology

The Great Lakes are all connected and form a single, naturally interconnected body of fresh water. They drain into the Atlantic Ocean via the Saint Lawrence River. The Great Lakes are a significant source of fresh water, containing over 20% of the world's fresh surface water.

Ecology

The Great Lakes region is home to a wide variety of wildlife. The lakes themselves are home to a large number of fish species, while the surrounding land is home to numerous bird, mammal, and plant species. The Great Lakes are also an important stopover site for migrating birds.

Human activity

The Great Lakes have been a major hub for human activity for thousands of years. They have been used for transportation, fishing, and recreation. Today, they are also a major source of drinking water for millions of people.

Environmental issues

The Great Lakes face a number of environmental issues. These include pollution, invasive species, and climate change. Efforts are being made to address these issues and preserve the Great Lakes for future generations.

See also

• Great Lakes region
• Great Lakes Waterway
• Great Lakes Compact

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