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As global warming heats up the water in the Upper Midwest, it could begin to impact some of our most beloved fish species. Notably, Minnesota's state fish, the walleye. 

 is the author of a new study on the effects of climate change on certain fish in Midwestern lakes. She spoke with MPR News host Kerri Miller and chief meteorologist Paul Huttner about it.

To hear the entire conversation, use the audio player above. 

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As global warming heats up the water in the Upper Midwest, it could begin to impact some of our most beloved fish species. Notably, Minnesota's state fish, the walleye.

As global warming heats up the water in the Upper Midwest, it could begin to impact some of our most beloved fish species. Notably, Minnesota’s state fish, the walleye. MPR News host Kerri Miller spoke to chief meteorologist, Paul Huttner and Gretchen Hansen, the author of a new study  on the affects of climate change on certain fish in Midwestern lakes.

Climate Cast: Warming waters threaten walleye habitat

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