bacteria
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Glacial Ice Cores Reveal 15,000 Year Old Microbes
Ancient ice contains a rich microbial record going back thousands of years. Recent advances have provided tools to study their genes and evolution, but climate change threatens to erase this frozen archive.
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Study Finds Sewage Bacteria Lurking in Hudson River Sediments
A new study shows that fecal bacteria from sewage can persist in far greater quantities in near-shore sediments than in the water of the Hudson River.
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Keys to Success
Humans hate to catch the flu, But here’s a fact that’s less well-known: Bacteria get infections too As many cultures have now shown.
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
