Pleistocene
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Crater Beneath Greenland Glacier Is 58 million Years Older Than Previously Thought
Researchers discovered that a meteorite crater beneath the Hiawatha glacier is much older than previously thought, leaving questions regarding its impact on global climate.
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Ancestors
We are high mountain people, hunters and artists, Our view from this base camp is brilliant and clear. Cold, thin air sweeps the rocky plateau; You need a strong heart to live here.
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Shag, Before It Was Cool
More cuddly than a dino, The Zanda woolly rhino! This pioneer of old Grew shag before the cold. …
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
