The great lakes are freezing at a glacial pace

Why do lakes and rivers not freeze suddenly in winter? - Quora

Great Lakes ice cover is nearly non-existent, reaches 50-year

Glaciers: Moving Rivers of Ice

Great Lakes Low on Ice

Freezing of Lakes

Glacial Speed Floating Action

The heartbreaking decline of Great Lakes ice cover - Biinaagami

Extreme cycling: four days across a frozen lake in Mongolia

The Race to Understand Antarctica's Most Terrifying Glacier