GlacierHub19
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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How Does an Iceberg Really Float?
A popular way of portraying icebergs is inaccurate. Through a viral tweet, watercolors, and interactive websites, people are learning about how icebergs actually float in water.
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Retreating Glaciers Threaten Herbs Used to Make Iconic Alpine Liqueurs
As glaciers recede in the Italian Alps, a shift toward grasslands is threatening native herbs like Artemisia genipi, a key ingredient in the region’s traditional liqueurs.
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In India-Pakistan Standoff, Siachen Glacier Is No Passive Bystander
A recent study shows how on Siachen Glacier, the impacts of high-altitude warfare are two-way. As India and Pakistan’s armies have harmed the glacier, Siachen’s brutal conditions have also constrained military operations.
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Protecting Yellowstone’s Waters: Proposed Legislation Would Safeguard More of Montana’s Rivers
Montana Senator Jon Tester has proposed a bill that would add 17 rivers to the Wild and Scenic Rivers Act.
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In Iceland, Melting Glaciers Give Way to Plant Life
A recent study examines the changes in the foreland of a melting Icelandic glacier. With ice gone, new plant life is springing up and changing a centuries-old ecosystem.
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All-Nepali Team Makes History With First Successful Winter Ascent of K2
The triumphant tale of 10 Nepali mountaineers’ pioneering winter ascent of the second highest mountain in the world stands apart from historic mountaineering narratives dominated by white men.
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Studies Reveal Global Ice Melt Estimates Have Been Conservative
Ice is melting more rapidly than previously thought, according to two new studies, which examine some of the specific causes.
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Devastating Flood in Himalayas Highlights Risks of Development in the Era of Climate Change
Climate change and hydroelectricity power projects compounded the devastating destruction of the February 7 flood in Uttarakhand.
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Representative Debra Lekanoff Works to Protect Washington’s Communities, Both Human and Salmon
GlacierHub interviews Debra Lekanoff, the only Native American woman currently serving in Washington’s state legislature.
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
