Plot: The once spectacular glacier caves documented by Oregon Field Guide in 2013 are disappearing far faster than anyone predicted. Why? What role is climate and weather playing in the formation and destruction of these caves?

Oregon Field Guide - Season 28 - Return to Mt. Hood Glacial Caves and Columbia Gorge Geology (Episode 10)
Episode Aired On:
Thursday, February 16 2017
8 years ago
Thursday, February 16 2017
8 years ago