Researchers with the National Oceanic and Atmospheric Administration’s Great Lakes Environmental Research Laboratory have used the only known long-term dataset of deep-lake temperatures to determine that Lake Michigan’s temperature is slowly increasing over the past 30 years, subtle changes that over a long timeframe could shorten big lakes’ winters, lengthen their summers and have a big impact on everything from fish populations and algae blooms to winter storms and erosion. Read the full story by Bridge Michigan.