Air bubbles sound climate change's impact on glaciers

As the world's temperatures rise, tidewater glaciers are receding and melting, releasing air trapped in the ice. Scientists can listen to the release of the air and potentially use the sounds to help them gauge the impact ...

World of change: Columbia Glacier, Alaska

The Columbia Glacier descends from an ice field 10,000 feet (3,050 meters) above sea level, down the flanks of the Chugach Mountains, and into a narrow inlet that leads into Prince William Sound in southeastern Alaska. It ...

Image: Columbia Glacier

The Copernicus Sentinel-2B satellite takes us over Alaska's Columbia Glacier, one of the most rapidly changing glaciers in the world.

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