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Lamont-Doherty Earth Observatory
@lamont.columbia.edu
Building fundamental knowledge about the origin, evolution, and future of our planet since 1949 (lamont.columbia.edu).
Pinned
On Dec 3 6-8pm ET, join us for our next Public Lecture, Uncovering Hidden Earthquake Faults: New Insights into the Greater New York Region Seismic Hazards, with Lamont-Doherty Earth Observatory structural geologist Folarin Kolawole. Learn more/RSVP: https://bit.ly/44oQ9L9
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In Bangladesh, LDEO geophysicist Mike Steckler and team continued their travels around the coastal zone of the world’s largest delta to repair GNSS instruments, which can measure the sinking of the delta to better than 1 mm/year. Learn more: https://bit.ly/4ifgl0u
November 24, 2025 at 6:09 PM
Reposted by Lamont-Doherty Earth Observatory
On Dec 3 6-8pm ET, join us for our next Public Lecture, Uncovering Hidden Earthquake Faults: New Insights into the Greater New York Region Seismic Hazards, with Lamont-Doherty Earth Observatory structural geologist Folarin Kolawole. Learn more/RSVP: https://bit.ly/44oQ9L9
November 24, 2025 at 5:15 PM
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#ICYMI Our Climate & Sustainability Graduate Programs Open House showcased how Columbia Climate School is preparing future leaders to drive climate solutions worldwide. 🎥 Watch Dean Alexis Abramson's welcome and faculty/student panels: https://bit.ly/3Xf2OMX
November 25, 2025 at 6:33 PM
In Bangladesh, LDEO geophysicist Mike Steckler and team continued their travels around the coastal zone of the world’s largest delta to repair GNSS instruments, which can measure the sinking of the delta to better than 1 mm/year. Learn more: https://bit.ly/4ifgl0u
November 24, 2025 at 6:09 PM
On Dec 3 6-8pm ET, join us for our next Public Lecture, Uncovering Hidden Earthquake Faults: New Insights into the Greater New York Region Seismic Hazards, with Lamont-Doherty Earth Observatory structural geologist Folarin Kolawole. Learn more/RSVP: https://bit.ly/44oQ9L9
November 24, 2025 at 5:15 PM
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Are you @cop30brazil.bsky.social #COP30 and interested in learning more about microbes 🦠 and how they impact our planet 🌎? Don't miss the panel hosted by our Director Elizabeth Kujawinski and Sonya Dyhrman @climate.columbia.edu tomorrow (Nov. 19) starting at 1:30 pm in the #OceanPavilion!
🧪
November 18, 2025 at 4:48 PM
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Encantado de participar en este seminario sobre bosques y el cambio global el próximo martes 18 de noviembre. Se puede inscribir aqui forms.gle/UDTPBN9rQLcL.... Organizado por @esalatamcarib.bsky.social (gracias!).
@ecologicalsociety.bsky.social @lamont.columbia.edu
¡Acompáñanos en el próximo seminario de Con-Ciencia en las Américas! 🌎

🌳 Dinámicas del cambio global en bosques tropicales
🗓 Martes, 18 de Nov | 🕛 12:00 PM ET
🔗 En vivo por YouTube: www.youtube.com/watch?v=5e9t...
💬 Envía tus preguntas y suscríbete: forms.gle/UDTPBN9rQLcL...
November 17, 2025 at 12:24 AM
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A great pleasure to give a guest lecture on Weather and Climate Extremes at @columbiauniversity.bsky.social’s Mailman School of Public Health today.

Thanks for the invite @robbieparks.bsky.social!

@lamont.columbia.edu @iiasa.ac.at
November 18, 2025 at 5:08 PM
In this #LamontVoices, LDEO geochemist Lex van Geen explains the importance of people's access to information about the arsenic in their wells in light of a new study on how reducing arsenic in drinking water cuts risk of death even after years of chronic exposure.
https://bit.ly/3LPDeeK
November 18, 2025 at 6:39 PM
In this #LamontVoices, LDEO geochemist Lex van Geen reflects on the contributions of the research team to a new landmark study on how reducing arsenic in drinking water cuts risk of death even after years of chronic exposure. https://bit.ly/3LPDeeK
November 18, 2025 at 5:15 PM
In this #LamontVoices, LDEO geochemist Lex van Geen explains how researching the effects of arsenic in drinking water began, ultimately leading to a new landmark study on how reducing arsenic cuts the risk of death even after years of chronic exposure. https://bit.ly/3LPDeeK
November 17, 2025 at 9:11 PM
Published today in JAMA, a landmark study co-led by LDEO geochemist Lex van Geen provides the first long-term, individual-level evidence that reducing arsenic exposure from drinking water may lower mortality, even among people exposed to the toxic contaminant for years: https://bit.ly/3LPDeeK
November 17, 2025 at 5:46 PM
At Lamont-Doherty Earth Observatory, we're celebrating the intersection of art and science with three exhibits, with two also featured at COP30 Brasil! Learn more from artist Selva Ozelli about these works, Lamont research, and #COP30 theme of Forests to Sea. Via Tired Earth: https://bit.ly/4hZ1ojb
November 14, 2025 at 9:45 PM
In Bangladesh to repair GNSS stations, which record tectonic motions of plate boundary and Ganges-Brahmaputra Delta subsidence, LDEO geophysicist Mike Steckler and team continued from Sylhet south to stations in Comilla, then to Dhaka and the coast: https://bit.ly/43QkphZ
November 13, 2025 at 11:30 PM
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🌿 At COP30 Brasil, delegates from Columbia University and Columbia Climate School will give talks, host panels, and forge connections, working toward innovative collaborations and solutions to climate change. #COP30 🦜 Learn more via State of the Planet: https://bit.ly/4oSK3KQ
November 8, 2025 at 7:12 PM
Geophysicist Mike Steckler of Lamont-Doherty Earth Observatory is back in Sylhet, Bangladesh to repair GNSS stations that are monitoring tectonics and earthquake hazards, and measuring the sinking of the land in the world's biggest delta. Learn more: https://bit.ly/3JLDUBk
November 10, 2025 at 5:46 PM
MacArthur Fellowship and other notable accolades, why Earth's continents are stable, where soil meets data, AI and SDGs, impact of climate change on water systems, mercury emissions, hidden earthquake faults, art meets science, Day in Life of Hudson & Harbor, more! ➡️ https://bit.ly/3LNYQbm
November 7, 2025 at 6:50 PM
What really happened on Easter Island? New study led by PhD student Red Stein with LDEO paleoclimatologists Dorothy Peteet, Billy D'Andrea, and colleagues challenges narratives of societal "collapse," showing that Rapanui communities adapted to climate stress with resilience: https://bit.ly/47Ndirz
November 6, 2025 at 8:51 PM
Reposted by Lamont-Doherty Earth Observatory
As @billgates.bsky.social's open letter on climate action conveys, we must move beyond fear-driven narratives to focus on what people value most, measuring climate action by lives improved, not just emissions reduced, writes Columbia Climate School Dean Alexis Abramson. Via @fortune.com.
Bill Gates got climate communication right. Let's focus on saving lives, not spreading fear | Fortune
I'm the dean of the nation's first climate school and I know that fear-based messaging has outlived its usefulness.
fortune.com
November 6, 2025 at 4:09 PM
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💡What an inspiring Climate & Sustainability Graduate Programs Open House featuring 6 interdisciplinary degrees (climate.columbia.edu/education) that prepare future leaders for rapidly changing planet. Among highlights, Dean Alexis Abramson, faculty and student panels, and visit to LDEO!
November 5, 2025 at 8:46 PM
#ICYMI @nowhari.bsky.social visits the Lamont-Doherty Earth Observatory Core Repository, a vast archive of core samples capturing Earth's history of climate change, where climate scientist Maureen Raymo studies paleoclimatology to understand past, present, and future climate. Via PBS WNET THIRTEEN.
How We Got Here: From Policies to Core Samples Under the Ocean Floor | THIRTEEN
YouTube video by THIRTEEN
youtu.be
November 5, 2025 at 5:04 PM
Reposted by Lamont-Doherty Earth Observatory
"As we begin a new administration, we have an opportunity to go further on climate and deliver lasting results," writes Alexis Abramson, dean of Columbia Climate School, outlining specific actions to achieve a future-ready city for all New Yorkers. Via NY Daily News.
The next mayor needs to be thinking about climate
New York City has already shown the world what urban climate leadership can look like. From the passage of Local Law 97, the nation’s most ambitious building-emissions standard, to growing investme…
www.nydailynews.com
November 5, 2025 at 4:23 PM
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November 4, 2025 at 9:47 AM
🧵1/3 The Memory of Darkness, Light, & Ice is about Cold War-era military camp in Greenland where scientists unearthed plant/insect remains under ice...evidence region was once ice-free. "It's a warning for us today," says paleoclimatologist Dorothy Peteet of research team that made this discovery.
The Memory of Darkness, Light, and Ice OFFICIAL TRAILER
YouTube video by Metamorph Films
youtu.be
November 3, 2025 at 5:47 PM
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🦪 Columbia Community, join us Nov 7 1:30pm ET for conversation with Andrew Zimmern & Barton Seaver, co-authors of The Blue Food Cookbook: Delicious Seafood Recipes for a Sustainable Future, moderated by Sandra Goldmark, Columbia Climate School assoc dean engagement & impact. 🦞 https://bit.ly/3LhrxND
October 28, 2025 at 6:30 PM