Summary:
- The article discusses how lake ice is becoming increasingly unsafe at the start and end of winter, raising the risk of drowning.
- Researchers have found that the duration of safe ice cover on lakes has decreased by about 2 weeks over the past 40 years, with the ice forming later and melting earlier.
- This trend is attributed to climate change, which is causing earlier spring warming and later winter freezing, making lake ice less reliable and more dangerous for recreational activities.