Thanks for liking this story! We have added it to a list of your favorite stories.
Share
State and federal researchers are taking a very detailed look at some Minnesota lakes to monitor the effects of climate change and pollution. The so-called super sentinel lakes that will act as an early detection system for poor conditions include Lake Carlos, near Alexandria, Elk Lake in Itasca State Park and Trout Lake in Cook County.
Gallery
9 of 9
1 of 9
2 of 9
Support Local News
When breaking news happens, MPR News provides the context you need. Help us meet the significant demands of these newsgathering efforts.