Lamont-Doherty Earth Observatory

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Lamont-Doherty Earth Observatory Contact information, map and directions, contact form, opening hours, services, ratings, photos, videos and announcements from Lamont-Doherty Earth Observatory, Educational Research Center, 61 Route 9W, Palisades, NY.

A leader in the Earth sciences since 1949, we study the planet from its deepest interior to the outer reaches of its atmosphere, on every continent and in every ocean, providing a rational basis for the difficult choices facing humanity.

10/16/2026

☄️Space rocks, 🌋 volcanoes, and 💨 dirt clouds, oh my! Run don't walk to Lamont Open House, our biggest, best science fun and discovery event, this SATURDAY OCTOBER 17 on our beautiful campus in Palisades, NY!

👉 Visit openhouse.ldeo.columbia.edu to learn more and RSVP! Free and open to the public, with a suggested donation.

🚌 Free shuttle buses from Columbia's Morningside campus and Crestron in Rockleigh, NJ.

🎥 Can't join us in person? Tune in to lectures live from Monell auditorium. Visit openhouse.ldeo.columbia.edu/lectures for Zoom link.

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We hope to see you on campus for Sat Oct 17 Lamont Open House, but if you can't make it, tune in for talks by our scient...
10/15/2026

We hope to see you on campus for Sat Oct 17 Lamont Open House, but if you can't make it, tune in for talks by our scientists and experts live from Monell auditorium!

🎥 Visit our Open House Lectures page and join via Zoom: openhouse.ldeo.columbia.edu/lectures

Monell Lecture Schedule
11am – What Happened? The August 2026 Nepal-China Landslide and Flooding Catastrophe | Göran Ekström

12pm – A Historic El Niño Year! What Does That Mean? | Richard Seager, Suzana Camargo, Andy Robertson, Kate Guy, Matthew Glasser (Moderator)

1pm – Did NYC’s Congestion Pricing Policy Improve Air Quality? | Dan Westervelt

2pm – What Does AI Mean for Your Work and the Field of Science? | Marco Tedesco, Galen McKinley, Vicki Ferrini, Daniel Hsu (Moderator)

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Plastics are supposed to be chemically inert. It’s the reason they’re used so frequently to package food, bottle water, ...
10/14/2026

Plastics are supposed to be chemically inert. It’s the reason they’re used so frequently to package food, bottle water, and create children’s toys.

But something important happens when a large piece of plastic fragments into micro and nanoparticles: its surface area increases dramatically, exposing vastly more of the material to its surroundings.

A new study by researchers from Columbia University and the University of California, Berkeley found that this newly created surface is not necessarily safe and identified the chemical reasons why.

“This work has significant implications for environmental and human health. Microplastics and nanoplastics can form and enter aquatic environments through discharges from sources such as plastic manufacturers and laundromats,” says co-author Beizhan Yan, an environmental geochemist at Lamont-Doherty Earth Observatory.

“Various uses and processes in our daily lives can also generate microplastics, including microwave heating, sunlight exposure of bottled water during storage, and IV injections in healthcare settings. This foundational work provides a potential pathway for understanding their health impacts,” adds Yan.

Learn more:
https://lamont.columbia.edu/news/microplastics-are-chemically-active-and-could-cause-biological-harm

📷 mtreasure / iStock

🗺️ "The whole world was spread out before me. I had a blank canvas to fill with extraordinary possibilities." —Lamont ma...
10/14/2026

🗺️ "The whole world was spread out before me. I had a blank canvas to fill with extraordinary possibilities." —Lamont marine geologist Marie Tharp

If you're inspired by pioneering Lamont-Doherty Earth Observatory scientist , Oct 17 Lamont Open House is for you!

👉 Learn more and RSVP today! openhouse.ldeo.columbia.edu

🚌 Free shuttle buses from Columbia University's Morningside campus and Crestron in Rockleigh, NJ.

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🥳 Saturday, October 17 (10am-4pm): Lamont Open House (openhouse.ldeo.columbia.edu)—our biggest, best science fun and dis...
10/13/2026

🥳 Saturday, October 17 (10am-4pm): Lamont Open House (openhouse.ldeo.columbia.edu)—our biggest, best science fun and discovery event of the year—on our beautiful campus in Palisades, NY!

🌱 DO AHEAD! Test your soil and paint for lead with Lamont geochemist Lex van Geen and his students. Learn how to collect your samples: https://openhouse.ldeo.columbia.edu/lead-sampling-soil-and-paint

🌍 Lamont Open House features exciting, informative Earth science experiences for children, families, and science enthusiasts of all ages plus a full schedule of lectures and conversations with our world-renowned scientists.

👉 Visit openhouse.ldeo.columbia.edu to learn more and RSVP today! Open House is free and open to the public, with a suggested donation.

🚌 Free shuttle buses from Columbia University's Morningside campus and Crestron in Rockleigh, NJ.

💚 Thank you to our 2026 donors and sponsors for generous support!⁠

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🥳 Saturday, October 17 (10am-4pm): Lamont Open House (openhouse.ldeo.columbia.edu)—our biggest, best science fun and dis...
10/12/2026

🥳 Saturday, October 17 (10am-4pm): Lamont Open House (openhouse.ldeo.columbia.edu)—our biggest, best science fun and discovery event of the year—on our beautiful campus in Palisades, NY!

🌍 In addition to our many hands-on Earth science experiences for children, families, and science enthusiasts of all ages, Open House features a full schedule of lectures and conversations: openhouse.ldeo.columbia.edu/lectures-open-house

🌱 DO AHEAD! Test your soil and paint for lead with Lamont geochemist Lex van Geen. Learn how to collect your samples: openhouse.ldeo.columbia.edu/content/soil-and-paint-sampling

👉 Visit openhouse.ldeo.columbia.edu to learn more and RSVP today! Open House is free and open to the public, with a suggested donation.

🚌 Free shuttle buses from Columbia University's Morningside campus and Crestron in Rockleigh, NJ.

💚 Thank you to our 2026 donors and sponsors for generous support!⁠

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What is a super El Niño? Neil deGrasse Tyson and Chuck Nice sit down with Lamont-Doherty Earth Observatory climate scien...
10/12/2026

What is a super El Niño? Neil deGrasse Tyson and Chuck Nice sit down with Lamont-Doherty Earth Observatory climate scientist Adam Sobel on StarTalk to break down what to expect from this El Niño and what makes this one historically big: https://www.youtube.com/watch?v=mgPN8B-B7tg

10/08/2026

🌡️ Is it hot in here?! On Saturday, October 17 (10am-4pm) at Lamont Open House, walk through this large-scale data visualization that uses a series of colored stripes to portray long-term temperature trends from 1850 to the present.

👉 Visit openhouse.ldeo.columbia.edu to learn more and RSVP today! Open House is free and open to the public, with a suggested donation.

🚌 Free shuttle buses to our campus in Palisades, NY from Columbia University's Morningside campus and Crestron in Rockleigh, NJ.

🌱 DO AHEAD! Test your soil and paint for lead with Lamont geochemist Lex van Geen. Learn how to collect your samples: https://openhouse.ldeo.columbia.edu/content/soil-and-paint-sampling

🌎 Meet our scientists and go hands-on with volcanoes, rock mechanics, oobleck, glacier goo, space rocks, tree rings, sediment cores, seafloor maps (like Marie Tharp!), seal hats, dirt clouds, Hudson River science, microscopic dance party, seismic sounds, marine research aboard ships like R/V Marcus G. Langseth, and so much more!

👂 Attend lectures and conversations with our world-renowned scientists.

💚 Thank you to our 2026 donors and sponsors for generous support!

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👏 Five Lamont-Doherty Earth Observatory scientists have received major honors from the American Geophysical Union (AGU) ...
10/08/2026

👏 Five Lamont-Doherty Earth Observatory scientists have received major honors from the American Geophysical Union (AGU) this year, recognizing their contributions to our understanding of the structure of the ocean floor, deep Earth processes and sea-level change, dust and paleoclimate, the ocean carbon cycle, and the physics of Earth’s deep interior.

🏅 William B. F. Ryan has received the Maurice Ewing Medal, among AGU’s highest honors, for a career of contributions to the ocean sciences, from original research and new technology to leadership and mentoring.

🏅 Jacqueline Austermann has received a James B. Macelwane Medal, AGU’s top honor for early-career scientists, and also become an AGU Fellow.

🏅 Gisela Winckler, also professor of climate at Columbia Climate School, has been elected a Fellow of the AGU, a distinction granted each year to no more than 0.1% of AGU’s members.

🏅 Galen McKinley was also elected a Fellow of the AGU in recognition of exemplary scientific achievement and leadership.

🏅 Renata Wentzcovitch, also professor of materials science and engineering in Columbia Engineering’s Department of Applied Physics and Applied Mathematics, has been named a 2026–27 Distinguished Lecturer of the AGU College of Fellows, recognizing her leadership and contributions to geophysics, mineral physics and computational materials science.

➡️ Learn more:
https://lamont.columbia.edu/news/lamont-researchers-receive-major-earth-science-honors-american-geophysical-union

One year after the city launched its congestion pricing policy, fine particulate pollution inside Manhattan’s congestion...
10/07/2026

One year after the city launched its congestion pricing policy, fine particulate pollution inside Manhattan’s congestion relief zone was 13 percent lower, according to a new analysis by Lamont-Doherty Earth Observatory researchers Polina Goldberg, Abhishek Anand, and Dan Westervelt, and Milken Institute School of Public Health's Daniel Goldberg.

“A full year of data helps us see whether changes in air quality remain consistent across all seasons and different weather conditions,” says first author Polina Goldberg. “Other cities have been waiting to see what happens in New York before they consider anything similar, so we wanted to get the analysis right rather than fast.” Goldberg began the research with Westervelt as an undergraduate through Lamont’s summer internship program and is now starting graduate school at Columbia University.

By comparing conditions inside and outside Manhattan’s congestion zone, the study provides one of the first neighborhood-scale estimates of the program’s impact on air quality in a US city, which may help inform policymakers and urban planners in the city and elsewhere.

Learn more: https://news.climate.columbia.edu/2026/10/07/study-nyc-congestion-pricing-air-quality/

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61 Route 9W
Palisades, NY
10964

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+18453592900

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