glacial retreat
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Climate Change Stopped the Next Ice Age
New research shows that 2,000 years ago, remnants of an Arctic ice sheet began growing again, marking the start of a new glacial period—what we commonly call an ice age. But by the 1960s, global warming had raised summer temperatures enough to reverse that growth.
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A Polar Climate Ambassador Visits an Arctic Museum in Maine
Josie Brooks reflects on an exhibit at Maine’s Peary-MacMillan Arctic Museum, which explores Inuit food traditions, hunting, art and community.
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When Glaciers Disappear, So Do Deities
The loss of glaciers across the Andes and the Himalayas impacts not only water supplies, but also the cultural and spiritual lives of local communities.
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Indonesia May Soon Lose Its Last Glaciers
Scientists estimate that Indonesia will lose its two remaining glaciers by 2030—a warning for glaciers around the world.
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Portraits of Glaciers: Art, Identity and the Self in Retreat
Artist Fran Beallor reflects on her series of drawings of glaciers, and how they explore humanity and our changing environment.
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Melting Glaciers Reveal Clues to Climate Adaptation in Norway’s Mountains
Glacial archaeologists are uncovering hundreds of artifacts in Norway, including the best preserved pair of prehistoric skis found to date.
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Mount Rainier White-Tailed Ptarmigan Finally Receives a ‘Threatened’ Species Designation
While the recent listing marks a win for the species after a 14-year wait, the bird faces an uncertain future in a warming world,
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New Study Demonstrates Unprecedented Glacial Retreat in the Andes
Using innovative methodology, researchers found that Andean glaciers are the smallest they’ve been in 11,700 years.
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Rivers Exposed by Glacier Retreat Fuel Competition Between Mining Industry and Salmon
Study finds that Canadian mining companies are staking claims on future salmon habitat emerging from the ice as glaciers retreat.
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
