GlacierHub20
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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Rising Water Temperatures Could Be A Death Sentence For Pacific Salmon
A new report shows a dire situation for salmon in Washington State. Populations are reeling from habitat loss, flooding and the repercussions of climate change.
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How to Predict the Unpredictable in a Changing Climate
As climate change continues to alter the Earth’s complex environmental systems, unfamiliar risks will emerge. A recent study suggests a few tools to reduce uncertainty in disaster preparation.
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Class Determines Vulnerability to Catastrophic Glacial Flooding in Northwest Pakistan
A recent study illustrates how low-status residents are left behind at the frontlines of worsening glacial flooding.
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Study Locates Origins of Glacier Soot Pollution in Northern India
By sampling snow from glaciers and tracking pollutants back to their source, the study reveals pathways to reduce harmful pollution in the Indian Western Himalayas.
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Biden Administration Must Act Fast To Save Migratory Birds
On Trump’s way out of the White House, his administration demolished a law that protects migratory birds, putting over 1,000 species at risk. The Biden administration can still salvage it — but only if they act swiftly.
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Chile’s Pascua-Lama Mine Legally Shut Down, but Mining Exploration Continues
The mine was ordered to close due to environmental violations, but the owner, Canadian company Barrick Gold, is still exploring mining opportunities in the area.
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Scientists Reconstruct the Glacial Conditions During Ötzi the Iceman’s Lifetime
New research published in Nature suggests that the Ötzal Alps experienced nearly ice-free summits during the mid-Holocene, about 6,000 years ago.
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Combinations of Marginalized Identities Can Limit Climate Adaptation in Peru
A recent study found that factors like gender, age, and language can intersect to shape adaptation options. Better policies could promote more equitable adaptation.
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Developing Countries Fuel Momentum For Ambitious Climate Targets
A group of the least developed countries have held a climate summit to showcase their ambitious plans and hold developed nations to account.
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
