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
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
Reposted by Lamont-Doherty Earth Observatory
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!
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November 18, 2025 at 4:48 PM
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!
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Reposted by Lamont-Doherty Earth Observatory
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
@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...
🌳 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
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
@ecologicalsociety.bsky.social @lamont.columbia.edu
Reposted by Lamont-Doherty Earth Observatory
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
Thanks for the invite @robbieparks.bsky.social!
@lamont.columbia.edu @iiasa.ac.at
November 18, 2025 at 5:08 PM
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
Thanks for the invite @robbieparks.bsky.social!
@lamont.columbia.edu @iiasa.ac.at
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
https://bit.ly/3LPDeeK
November 18, 2025 at 6:39 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
https://bit.ly/3LPDeeK
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 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
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
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
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
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
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
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
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
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
Reposted by Lamont-Doherty Earth Observatory
🌿 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
🌿 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
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
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
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
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
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
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
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
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.
Reposted by Lamont-Doherty Earth Observatory
💡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
💡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!
#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
#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.
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
"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.
Reposted by Lamont-Doherty Earth Observatory
Excited to announce our #EGU26 session on Climate Risk Assessment for Finance & Insurance Sectors with @mattpriestley.bsky.social A. Ciullo @hcbloomfield19.bsky.social @natalieslord.bsky.social
meetingorganizer.copernicus.org/EGU26/sessio...
@iiasa.ac.at @riskkan.bsky.social @lamont.columbia.edu
meetingorganizer.copernicus.org/EGU26/sessio...
@iiasa.ac.at @riskkan.bsky.social @lamont.columbia.edu
November 4, 2025 at 9:47 AM
Excited to announce our #EGU26 session on Climate Risk Assessment for Finance & Insurance Sectors with @mattpriestley.bsky.social A. Ciullo @hcbloomfield19.bsky.social @natalieslord.bsky.social
meetingorganizer.copernicus.org/EGU26/sessio...
@iiasa.ac.at @riskkan.bsky.social @lamont.columbia.edu
meetingorganizer.copernicus.org/EGU26/sessio...
@iiasa.ac.at @riskkan.bsky.social @lamont.columbia.edu
🧵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
🧵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.
Reposted by Lamont-Doherty Earth Observatory
🦪 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
🦪 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
Reposted by Lamont-Doherty Earth Observatory
🌿 Climate LIVE K12, our free interactive online learning series, features our experts and students talking about everything from climate justice, biodiversity systems, fashion, and energy to youth-focused climate solutions. We welcome learners of all ages! Learn more: https://bit.ly/4oJhejQ
October 30, 2025 at 9:15 PM
🌿 Climate LIVE K12, our free interactive online learning series, features our experts and students talking about everything from climate justice, biodiversity systems, fashion, and energy to youth-focused climate solutions. We welcome learners of all ages! Learn more: https://bit.ly/4oJhejQ
Reposted by Lamont-Doherty Earth Observatory
📣#MTTM
Dr. Henry Holm is a postdoc researcher working with C-CoMP and the Dyhrman and Hurley lab groups @columbiauniversity.bsky.social @lamont.columbia.edu. He is a chemical 🧪oceanographer by training and thinks a lot about how phytoplankton move carbon through the ocean 🌊.
Dr. Henry Holm is a postdoc researcher working with C-CoMP and the Dyhrman and Hurley lab groups @columbiauniversity.bsky.social @lamont.columbia.edu. He is a chemical 🧪oceanographer by training and thinks a lot about how phytoplankton move carbon through the ocean 🌊.
November 3, 2025 at 2:04 PM
📣#MTTM
Dr. Henry Holm is a postdoc researcher working with C-CoMP and the Dyhrman and Hurley lab groups @columbiauniversity.bsky.social @lamont.columbia.edu. He is a chemical 🧪oceanographer by training and thinks a lot about how phytoplankton move carbon through the ocean 🌊.
Dr. Henry Holm is a postdoc researcher working with C-CoMP and the Dyhrman and Hurley lab groups @columbiauniversity.bsky.social @lamont.columbia.edu. He is a chemical 🧪oceanographer by training and thinks a lot about how phytoplankton move carbon through the ocean 🌊.
As part of Lamont's Research as Art 2025, visual artist and artist-in-residence at NASA Goddard Institute for Space Studies Kate Doyle facilitated a paint pour where the community worked together to create collaborative art pieces where "you have the intellect and the heart represented together."
November 2, 2025 at 8:03 PM
As part of Lamont's Research as Art 2025, visual artist and artist-in-residence at NASA Goddard Institute for Space Studies Kate Doyle facilitated a paint pour where the community worked together to create collaborative art pieces where "you have the intellect and the heart represented together."
Both artists and scientists strive to see the world in new ways, and to communicate that vision. Lamont's Research as Art 2025—organized by Ally Peccia, Aviva Intveld, Caitlin Locke, Hanna Anderson, Lindsay Hogan, and Phoebe Salowey—celebrates these endeavors and showcases Lamont research.
November 1, 2025 at 9:11 PM
Both artists and scientists strive to see the world in new ways, and to communicate that vision. Lamont's Research as Art 2025—organized by Ally Peccia, Aviva Intveld, Caitlin Locke, Hanna Anderson, Lindsay Hogan, and Phoebe Salowey—celebrates these endeavors and showcases Lamont research.
📣 Postdoc opportunity alert! Join our dynamic community of Earth, environmental, and climate scientists as LDEO postdoctoral fellow. Principal criteria: scientific excellence + clear plan to investigate problems at forefront of Earth science. ➡️ Apply by Nov 7: https://bit.ly/3WRD6xT
October 31, 2025 at 8:45 PM
📣 Postdoc opportunity alert! Join our dynamic community of Earth, environmental, and climate scientists as LDEO postdoctoral fellow. Principal criteria: scientific excellence + clear plan to investigate problems at forefront of Earth science. ➡️ Apply by Nov 7: https://bit.ly/3WRD6xT