Tree Ring Lab
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Rings of Time: Seeking Clues to the Future in Urban Timber
Lamont scientists are working with lumber salvage companies to preserve old timbers from demolished structures that offer rich clues to climate data and human history.
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The Link Between the Climate Crisis and Linguistic Diversity in New York City
Climate change is increasing emigration from some of the most linguistically diverse high mountain regions in the world, shaping migrant communities in New York.
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Tree Rings, Climate Change and the Rainy Season
Seeking to understand the history of the southeast Asian monsoon, researchers venture into the remote highlands of Vietnam to sample the rings of behemoth cypress trees that have survived for a thousand years.
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Army Veteran and Environmental Advocate: A Sustainability Science Student’s Journey to Columbia
Olivia Colton reflects on her experience in the military and how it connects with her education in environmental conservation.
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Celebrating Women in Science: Tree-Ring Researcher Rose Oelkers
A Q&A with Rose Oelkers, a Ph.D. candidate at the Lamont-Doherty Earth Observatory who studies tropical trees and their response to changes in the environment.
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Faculty Spotlight: Why Trees Will Always Have Something to Teach Us
Lamont research professor Brendan Buckley helps his students learn to listen to the trees.
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Alumni Spotlight: When the Student Becomes the Teacher
A recent graduate of the Master of Science in Sustainability Science program, Reuben Goh hopes to convey his enthusiasm for the environment to future students.
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What Tropical Trees Can Teach Us About the Environment
PhD student Rose Oelkers discusses her work in the Amazon and what we can learn from the trees if we listen closely.
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Learning From Tree Rings: An Interview With Nicole Davi
A dendrochronologist explains how tree rings can teach us about our past, present, and future.

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
