S2E10 - Tracking Glaciers in the Andes with Ulyana Horodyskyj Peña 

Glaciers are disappearing from mountains around the world, including in the Andes. 

Photo courtesy of Ulyana Horodyskyj Peña

The Andes are the longest mountain chain in the world and the second highest mountain range in the world after the Himalayas. There are over a hundred peaks in the Andes with summits that exceed 6,000 meters (19,685 feet)-- and many of the mountains are covered in glaciers. But that is rapidly changing...

A glacier in the French Alps. Photo courtesy of Ulyana Horodyskyj Peña

Glaciers cover 10% of the land area on Earth. They store about ⅔ of the world’s fresh water– an incredibly important and valuable resource. But as global temperatures rise, those glaciers are disappearing. Not only are we losing precious fresh water as glaciers melt into water that flows into the sea and gets salty and harder to use, but all that water is also causing sea levels to rise. If all of the glaciers on Earth melted, the sea level would rise about 230 feet, flooding every coastal city on the planet and displacing about one-third of the world’s population.

Glaciologist Ulyana Horodyskyj Peña in Greenland. Photo courtesy of Ulyana Horodyskyj Peña

Ulyana Horodyskyj Peña is a glaciologist working to help understand and raise awareness of the problem of shrinking glaciers. She has a Bachelor's degree in Earth Science from Rice University, a Masters from Brown University, and Ph.D. from the University of Colorado Boulder. She was also a Fulbright Fellow in Nepal for 10 months. Her current job is Communications Lead at North Central Climate Adaptation Science Center at the University of Colorado, one of nine Climate Adaptation Science Centers across the country. 

Ulyana at the site of a plane crash high in the Andes in 1972.  Photo courtesy of Ulyana Horodyskyj Peña

Ulyana’s Persistent Pollutants Project: https://scienceinthewild.com/persistent-pollutants-project/


Follow Ulyana and Ricardo’s mountain climbing expeditions: http://summitssongsandscience.com/index.html 


World Glacier Monitoring Service: wgms.ch/  


Ulyana’s TEDx Talk: https://www.youtube.com/watch?v=OE54K0sF-1g

Ulyana and her husband Ricardo Peña climbing in the Andes. Photo courtesy of Ulyana Horodyskyj Peña