 |
 |
       |
 |
Sturgeon studies and students
Great Lakes Echo (4/2)
Researchers at Michigan’s Black Lake are studying threats to sturgeon and using their findings to teach biology to students from kindergarten through high school.
What's going on in your neighborhood this month? Meet other people and learn together at recreational and educational events! Our new dynamic calendar is updated daily with current educational events.
What percentage of the entire world's freshwater supply is stored or contained in the Great Lakes?
from Adam in Westminster, Colorado
The Great Lakes contain 20% of the world's freshwater supply -- the largest freshwater system in the world! Collectively, the lakes contain over six quadrillion gallons of water.
The Great Lakes hold a number of other records as well:
- Lake Superior is the largest freshwater lake in the world by surface area, and the third largest by volume
- The world's largest concentration of lighthouses is in the Great Lakes
- The Great Lakes region is the only place in the world where "lake-effect" snow occurs
- Some of the most ancient bedrock on the planet is found in the Great Lakes region --approaching 3 billion years in age
- The longest stretch of freshwater dunes in the world is found along Lake Michigan
Thank you for your question!
Answered on February 1, 2001