Lamont-Doherty Earth Observatory
@lamont.columbia.edu
Building fundamental knowledge about the origin, evolution, and future of our planet since 1949 (lamont.columbia.edu).
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
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
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
A new study by Penn State's Andrew Smye and Lamont-Doherty Earth Observatory's Peter Kelemen solves the mystery of how Earth's continents have remained remarkably stable for billions of years, with implications beyond geologic history. Learn more: https://bit.ly/43aHtHQ
October 31, 2025 at 8:19 PM
A new study by Penn State's Andrew Smye and Lamont-Doherty Earth Observatory's Peter Kelemen solves the mystery of how Earth's continents have remained remarkably stable for billions of years, with implications beyond geologic history. Learn more: https://bit.ly/43aHtHQ
Resulting from latest AVERT (avert.ldeo.columbia.edu) workshop at Costa Rica's Poás volcano, drone-based method offers a promising tool for extending soil gas measurements to hazardous or hard-to-reach environments, contributing to safer, more comprehensive volcano monitoring: https://bit.ly/3JgH1B4
October 26, 2025 at 7:50 PM
Resulting from latest AVERT (avert.ldeo.columbia.edu) workshop at Costa Rica's Poás volcano, drone-based method offers a promising tool for extending soil gas measurements to hazardous or hard-to-reach environments, contributing to safer, more comprehensive volcano monitoring: https://bit.ly/3JgH1B4
Why do sailors say “port” and “starboard”? R/V Marcus G. Langseth science officer Cody Bahlau explains from Puntarenas, Costa Rica as expedition MGL 2510 wrapped up. 🚢 Learn more: instagram.com/p/DQKh1xJEpDE/
October 23, 2025 at 8:23 PM
Why do sailors say “port” and “starboard”? R/V Marcus G. Langseth science officer Cody Bahlau explains from Puntarenas, Costa Rica as expedition MGL 2510 wrapped up. 🚢 Learn more: instagram.com/p/DQKh1xJEpDE/
🚢 R/V Marcus G. Langseth science officer Cody Bahlau reported from MGL 2510 as the final ocean bottom seismometer (OBS) was deployed into the Pacific at the Galápagos Triple Junction after careful planning, long hours, and teamwork from desk to lab and deck.
October 22, 2025 at 5:51 PM
🚢 R/V Marcus G. Langseth science officer Cody Bahlau reported from MGL 2510 as the final ocean bottom seismometer (OBS) was deployed into the Pacific at the Galápagos Triple Junction after careful planning, long hours, and teamwork from desk to lab and deck.
💚🌍 Thank you to our amazing community for outstanding support of Lamont science on #ColumbiaGivingDay! Special thanks to our generous challenge match donor for doubling the impact! 😍 See your collective support: https://givingday.columbia.edu/pages/columbia-climate-school
October 22, 2025 at 12:30 PM
💚🌍 Thank you to our amazing community for outstanding support of Lamont science on #ColumbiaGivingDay! Special thanks to our generous challenge match donor for doubling the impact! 😍 See your collective support: https://givingday.columbia.edu/pages/columbia-climate-school
🕛 There's still time to stand with science and make your #ColumbiaGivingDay gift to Lamont-Doherty Earth Observatory! 🌍 With research funding uncertain, your gift will help propel scientific discovery. 🤩 And thanks to a $50K match, your gift will have double the impact! 🎁 https://bit.ly/4nUCFPb
October 21, 2025 at 9:16 PM
🕛 There's still time to stand with science and make your #ColumbiaGivingDay gift to Lamont-Doherty Earth Observatory! 🌍 With research funding uncertain, your gift will help propel scientific discovery. 🤩 And thanks to a $50K match, your gift will have double the impact! 🎁 https://bit.ly/4nUCFPb
TODAY Oct 21 is #ColumbiaGivingDay! Making your first-ever gift? Every gift from a new donor will be matched, every 100 gifts will unlock extra $, and thanks to a generous $50K challenge match, all gifts to Lamont-Doherty Earth Observatory will have double the impact! Donate: https://bit.ly/4nUCFPb
October 21, 2025 at 2:06 PM
TODAY Oct 21 is #ColumbiaGivingDay! Making your first-ever gift? Every gift from a new donor will be matched, every 100 gifts will unlock extra $, and thanks to a generous $50K challenge match, all gifts to Lamont-Doherty Earth Observatory will have double the impact! Donate: https://bit.ly/4nUCFPb
TODAY Oct 21 is #ColumbiaGivingDay! With research funding increasingly uncertain, your gift to Lamont-Doherty Earth Observatory is essential to fund critical research for the future of our planet, and thanks to $50K match, will have 2X the impact. Stand with science today! 🎁 https://bit.ly/4nUCFPb
October 21, 2025 at 12:00 PM
TODAY Oct 21 is #ColumbiaGivingDay! With research funding increasingly uncertain, your gift to Lamont-Doherty Earth Observatory is essential to fund critical research for the future of our planet, and thanks to $50K match, will have 2X the impact. Stand with science today! 🎁 https://bit.ly/4nUCFPb
🕛 #ColumbiaGivingDay begins tonight! 🦉Donate to Lamont-Doherty Earth Observatory when the clock strikes 12-1am ET, and you could earn us extra $ for critical scientific research. Thanks to a generous $50K match, your gift will have 2X the impact. Stand with science today: https://bit.ly/4nUCFPb
October 21, 2025 at 2:00 AM
🕛 #ColumbiaGivingDay begins tonight! 🦉Donate to Lamont-Doherty Earth Observatory when the clock strikes 12-1am ET, and you could earn us extra $ for critical scientific research. Thanks to a generous $50K match, your gift will have 2X the impact. Stand with science today: https://bit.ly/4nUCFPb
🥾🏞️ On Long Path Trail hike near @lamont.columbia.edu, LDEO scientists Nicole Davi, Bärbel Hönisch, Jerry McManus, Terry Plank, Ajit Subramaniam visited the grave of pioneering geophysicist/Lamont founder Maurice "Doc" Ewing in Rockland Cemetery. 📜 LDEO history: lamont.columbia.edu/about/histor...
October 20, 2025 at 11:05 PM
🥾🏞️ On Long Path Trail hike near @lamont.columbia.edu, LDEO scientists Nicole Davi, Bärbel Hönisch, Jerry McManus, Terry Plank, Ajit Subramaniam visited the grave of pioneering geophysicist/Lamont founder Maurice "Doc" Ewing in Rockland Cemetery. 📜 LDEO history: lamont.columbia.edu/about/histor...
🗓️Tue Oct 21 is #ColumbiaGivingDay! At a time when research funding is uncertain, your gift to Lamont-Doherty Earth Observatory will fund critical research for the future of our planet, with double the impact thanks to $50K match from an anonymous donor: https://bit.ly/4nUCFPb
October 20, 2025 at 7:16 PM
🗓️Tue Oct 21 is #ColumbiaGivingDay! At a time when research funding is uncertain, your gift to Lamont-Doherty Earth Observatory will fund critical research for the future of our planet, with double the impact thanks to $50K match from an anonymous donor: https://bit.ly/4nUCFPb
🚢 R/V Marcus G. Langseth science officer Cody Bahlau reported from MGL 2510 as the cruise blog went live from the open ocean to record the journey, share the science, and invite others to be part of the adventure: https://galapagostriplejunctionobs.github.io/
October 19, 2025 at 7:45 PM
🚢 R/V Marcus G. Langseth science officer Cody Bahlau reported from MGL 2510 as the cruise blog went live from the open ocean to record the journey, share the science, and invite others to be part of the adventure: https://galapagostriplejunctionobs.github.io/
In this Q&A, @lamont.columbia.edu soil systems scientist Yushu Xia talks about her innovative research projects to understand and improve soil health; the importance of community and student engagement; and ways to stay ahead in a changing scientific landscape: lamont.columbia.edu/news/where-s...
October 17, 2025 at 8:14 PM
In this Q&A, @lamont.columbia.edu soil systems scientist Yushu Xia talks about her innovative research projects to understand and improve soil health; the importance of community and student engagement; and ways to stay ahead in a changing scientific landscape: lamont.columbia.edu/news/where-s...