Lake Michigan’s waters are the warmest they’ve ever been in documented history, and it's not just Lake Michigan either. The five great lakes are all seeing rising temperatures and this trend is not showing signs of slowing. Reset WBEZ’s environment reporter Juanpablo Ramirez-Franco breaks down what’s behind these rising temperatures and what they mean for wildlife and Chicago. For a full archive of Reset interviews, head over to wbez.org/reset.