Climate change is causing glaciers around the world to recede at an alarming rate. The loss of Rocky Mountain glaciers will affect the Prairies’ freshwater supply — and that’s a big problem.

The Columbia Icefield feeds rivers that empty into three separate oceans: the Athabasca-Mackenzie system eventually flows into the Arctic Ocean; the North Saskatchewan River makes its way via Hudson Bay to the Atlantic; and the Columbia River dumps into the Pacific. Caitlin Hanson/CBC