NASA
Nasa: At the Edge: Monitoring Glaciers to Watch Global Warming
Learn why scientists have been observing glaciers since before global warming came into the forefront. Learn about the different types of glaciers and the ways to monitor them. Some of the information may be dated. (April 14, 1999)
Curated OER
National Park Service: North Cascades: Glaciers / Glacial Features
The North Cascades has 316 glaciers. Learn how they were formed and how they affect the land.