new "Teach Me About the Great Lakes" podcast episode announcement

The Great Lakes are the largest freshwater system in the world with 20% of Earth’s freshwater residing in the five lakes. But how did they form? 

Love this episode and want to hear more in the future? Subscribe on Apple Podcasts or Spotify, or use the RSS feed in your favorite podcast player.

If you have questions you want answered about the Great Lakes, reach out to @TeachGreatLakes on Twitter or email Stuart Carlton at

Illinois-Indiana Sea Grant is a part of University of Illinois Extension and Purdue Extension.

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