GlacierHub10
Glaciers bring us valuable insights as they sit on the frontlines of climate change. Each week, GlacierHub shares stories about lessons to humanity in the form of changing water supplies, natural resource conflicts, omnipresent natural hazards and threats to biodiversity. It describes the responses of indigenous peoples, scientists, artists, local communities and organizations to the challenges brought by glacier retreat—demonstrating the relevance of the world’s high icy places for all humankind.
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Cordilleran Ice Sheet Retreat Caused Volcanic Eruptions, Deoxygenation Events 10,000 Years Ago
New research shows that retreat of an ice sheet in the Pacific Northwest led to many volcanic explosions and ocean areas with low oxygen that threatened the health of marine ecosystems.
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The Quest to Redesign Washington’s State Flag — and Honor Its Natural Landscape
With imagery representing Puget Sound, the Cascade Ranges, and expansive orchards, a new state flag seeks to foster both pride and preservation.
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A Hidden World: Nighttime Photography in Greenland
Photographer Steven Giovinco shared his thoughts on the creative process behind his images on display in a new exhibition, ‘On The Arctic Edge’.
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Glacial Melting in High Mountain Asia Has the Potential to Overwhelm Hydropower Systems
Flooding in the region threatens hydropower projects and the safety of downstream populations.
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COP27 and Its Outcomes for Kyrgyzstan
A Kyrgyz journalist reflects on COP27 and its results for Kyrgyzstan.
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As Greenland’s Ice Melts, Glacial Sand Deposits May Offer a Welcome Economic Opportunity
Greenland’s majority Indigenous population is in favor of exploring sand extraction, according to an academic research poll.
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Changing Perspectives: How Bottom-Up Studies Can Improve Water Security
When monitoring melting glaciers, integrating scientific knowledge with local and Indigenous knowledge may improve data collection as well as local adaptation.
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Letting Enchantment Lead the Way: Iceland’s Hidden Folk and Environmental Protection
A new book explores the world of wonder contained in Icelandic myth, and considers how it might spill out of storybook pages and into real life.
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Covering Glaciers With Blankets to Hide the Ice — and the Real Problem
Glacier-saving campaigns are becoming more popular as ice across the globe disappears at an alarming pace. A new analysis examines the actors, motives, and implications of these campaigns in the fight against climate change.
COP31, the 2026 United Nations Climate Change Conference, aims to advance dialogue, strengthen consensus, and accelerate climate action on a global scale. From November 9–20, 2026 in Antalya, Türkiye, heads of state, ministers, scientists, business leaders, and civil society will gather to advance efforts in emission targets, climate finance, and adaptation and resilience. Once again, our experts, students, and global thought leaders from Columbia Climate School and across Columbia University are contributing to key events, sharing insights, and helping shape the dialogue toward ambitious, science-based solutions. Learn More
