Retreating Yukon Glacier Causes a River to Disappear
![A close-up view of the ice-walled canyon at the terminus of the Kaskawulsh Glacier, with recently collapsed ice blocks. This canyon now carries almost all meltwater from the toe of the glacier down the Kaskawulsh Valley and toward the Gulf of Alaska.Jim Best/University of Illinois Retreating Yukon Glacier Causes a River to Disappear](https://alaska-native-news.com/wp-content/uploads/2017/04/kaskawulsh-glacier.jpg)
The massive Kaskawulsh Glacier in northern Canada has retreated about a mile up its valley over the past century. Last spring, its retreat triggered a geologic event at relatively breakneck speed. The toe of ice that was sending meltwater toward the Slims River and then north to the Bering Sea retreated so far that the […]