Ecology9
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For Big, Old Trees, It’s a Downhill Slide When It Comes to Reproduction
Akin to humans, the fertility of trees declines with age, a new study indicates.
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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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“Tell Us What You Need:” The Essential NGO Mindset
M.S. Sustainability Management alum Wendy Hapgood co-founded the Wild Tomorrow Fund, which is currently rewilding a large tract of land in South Africa.
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A Porpoise at the Precipice: Should We Let the Vaquita Go?
With mothers and calves among the last nine or so porpoises, recovery is still possible. This is a rare instance where a small, specific investment could help bring the vaquita back from the brink.
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Blue Whale Population in Chile Threatened by Fishing Industry
Through vessel strikes and noise pollution, the fishing industry in Chilean Patagonia creates challenges for local blue whale populations.
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Study Shows Forests May Take in Far More Toxic Mercury Than Thought
Atmospheric mercury in gaseous form appears to be adding heavily to the load.
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Lamont-Doherty Earth Observatory: Milestones in Climate Science
Much of the modern understanding of climate change is underpinned by pioneering studies done at Columbia University’s Lamont-Doherty Earth Observatory. Here’s a timeline of significant studies.
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Looking Out for Marine Mammals
When using sound to search for an undersea fault, researchers must take special precautions to protect dolphins, whales and other vulnerable species.
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Stop Calling Green Energy ‘Clean’
The so-called clean energy transition depends on massive environmental destruction.
AGU25, the premier Earth and space science conference, takes place December 15-19, 2025 in New Orleans, Louisiana. This year’s theme—Where Science Connects Us—puts in focus how science depends on connection, from the lab to the field to the ballot box. Once again, Lamont-Doherty Earth Observatory and Columbia Climate School scientists, experts, students, and educators are playing an active role, sharing our research and helping shape the future of our planet. #AGU25 Learn More
