By examining changes in elevation over time, scientists can determine ice loss or gains. Heavy snowfall on Rainier continues to feed the glaciers, but across the mountain, glaciers are declining.

is a sign that the Earth’s climate is warming.

mountain glaciers conspicuously reflect the effects of climate change. Their retreat

Glaciers across the Cascade Range are retreating rapidly. One of the snowiest places on Earth, Rainier has lost less ice

than other mountains because of its

high elevation.