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.

During COP30—the 2025 UN Climate Change Conference taking place November 10–21 in Belém, Brazil—experts from Columbia Climate School and Columbia University will be contributing to key events, sharing insights, and helping shape the dialogue toward ambitious, science-based solutions. Learn More
