Warmer winters are keeping some lakes from freezing

Warmer winters due to climate change are causing lakes in the Northern Hemisphere to experience more ice-free years, according to a new study. Researchers recently analyzed nearly 80 years of lake ice data, stretching from 1939 to 2016, for 122 lakes that typically freeze every winter. They found ice-free years have become more than three times more frequent since 1978 and 11% of lakes studied