At #AGU25, postdoc Clara Chang of LDEO shared discovery of native desert plant that removes significant levels of metals from soil of an abandoned uranium mine inside Arizona's Petrified Forest National Park, raising environmental and public health concerns. ➡️ Lamont at AGU25: https://bit.ly/48VGXQ1

At #AGU25, we stopped by to talk with postdoc Abhishek Anand of LDEO about his research on the short-term effects of New York City's congestion pricing policy (implemented on January 5, 2025) on local air pollution. ➡️ Lamont at AGU25: https://bit.ly/48VGXQ1 https://bit.ly/4q7Be0A

At #AGU25, we stopped by to talk with PhD student Yi Xia of LDEO about her research using "storylines" to determine how different, but plausible, sea surface temperature patterns could shape the activity of tropical cyclones in the near future. ➡️ Lamont at AGU25: https://lamont.columbia.edu/agu25

At #AGU25, we stopped by to talk with recent PhD Claire Jasper of LDEO about her research using sediment cores from North Atlantic and Southern Ocean from the early Pleistocene to investigate the timing and pacing of iceberg discharge. ➡️ Lamont at AGU25: https://bit.ly/48VGXQ1 https://bit.ly/4jarLDb

🍃 2025 was another historic year for climate impacts, but also a year marked by meaningful collaboration to build a more sustainable and just future for our planet. 📣 Check out this past year's top stories from State of the Planet: https://bit.ly/4jkigkX

At #AGU25, we stopped by to talk with LDEO volcanologist Terry Plank about the latest from the AVERT project, which is testing how an expanded toolkit of sensors can sharpen real-time eruption forecasting at Costa Rica's Poás Volcano. ➡️ Lamont at AGU25: https://bit.ly/48VGXQ1 https://bit.ly/49eZDKO

Drinking water is often scarce in Bangladesh. A team of researchers including Lamont-Doherty Earth Observatory geophysicists Huy Le, Kerry Key (now Deep Blue Geophysics), and Michael Steckler have tapped into a potential solution: https://bit.ly/3YHl560

At #AGU25, climate scientist Tess Wei-Ping Jacobson shared research on tropical Pacific and climate change as drivers of burned forest area trends in southwestern US & eastern Australia, two of world's most fire-prone regions. ➡️ Lamont at AGU25: https://bit.ly/48VGXQ1 https://bit.ly/496NZS8

At #AGU25, PhD student Noel Siegert of LDEO shared research on how the coastal ocean is linked to humid heat on land nearby, with implications for human health, power supplies, marine biodiversity, and food production. ➡️ Lamont at AGU25: https://bit.ly/48VGXQ1 https://bit.ly/499GXvL

At #AGU25, tree ring scientist Caroline Leland of LDEO shared her research on dshared research on climate sensitivity of wood from Siberian Pine and Larch in North-central Mongolia to improve or build upon reconstructions of long-term climate. ➡️ Lamont at AGU25: https://lamont.columbia.edu/agu25

At #AGU25, PhD student Caitlin Locke of LDEO shared her research on extending existing records of changes in thickness of the West Antarctic Ice Shelf, which buttresses the Ice Sheet and helps regulate sea-level rise. ➡️ Lamont at AGU25: https://lamont.columbia.edu/agu25

At #AGU25, LDEO marine geologist Dallas Abbott shared findings of fragments from a 3,000-year-old layer buried in the Hudson River whose chemistry resembles cosmic dust, suggesting a sudden, high-energy event occurred nearby. ➡️ Lamont at AGU25: https://lamont.columbia.edu/agu25

At #AGU25, PhD student Yianna Bekris of LDEO shared her research on drivers, seasonality, and spatial dynamics of heatwaves across terrestrial, marine, and coastal environments in a warming world. ➡️ Lamont at AGU25: https://lamont.columbia.edu/agu25

An international team—including LDEO's Jonny Kingslake, Sid Hemming, Jacky Austermann, Brendan Reilly, Sam Chester—is drilling for mud and rocks holding critical insights about the fate of the West Antarctic Ice Sheet as part of SWAIS2C: https://bit.ly/3Y4xJfc

At #AGU25, LDEO's Andrew Goodwillie shared capabilities of the Marine Geoscience Data System (MGDS), a long-standing repository that organizes and preserves seafloor and subseafloor data collected throughout the global oceans. ➡️ Lamont at AGU25: https://lamont.columbia.edu/agu25

At #AGU25, we talked with with PhD student Trinish Chatterjee of LDEO about his research on how size of extreme daily rainfall events has changed across the US, with important implications for emergency response, flood protection systems, and public safety. ➡️ Lamont at AGU25: https://bit.ly/48VGXQ1

🌎 The Lamont-Doherty Core Repository in Palisades, NY houses a collection of over 20,000 marine sediment and rock samples spanning the globe, and is available to researchers and educators worldwide. ➡️ Stop by #AGU25 Booth 827 and visit corerepository.ldeo.columbia.edu to learn more.

At #AGU25, PhD student Andrew Hallward-Driemeier of LDEO shared his research measuring methane at NJ landfill to inform climate mitigation, finding emissions were higher than reported and reflected seasonal variability. ➡️ Lamont at AGU25: https://lamont.columbia.edu/agu25

At #AGU25, we talked with LDEO soil systems scientist Yushu Xia about her work modeling soil carbon dynamics and productivity of rangeland, which covers a large % of global surface associated with very high but uncertain carbon sequestration potential. ➡️ Lamont at AGU25: https://bit.ly/48VGXQ1

At #AGU25, we stopped by to talk with LDEO polar geophysicist Kirsty Tinto about her research on how the ice in Antarctica responds to the geology underneath the continent to help inform predictions about future ice as the climate warms. ➡️ Lamont at AGU25: https://lamont.columbia.edu/agu25

At #AGU25, we stopped by to talk with LDEO PhD student Linnea Norton about her research on mangrove forests and how their ability to store carbon is most accurately estimated for the purposes of "blue carbon" credits. ➡️ Lamont at AGU25: https://lamont.columbia.edu/agu25

Results of recent community effort highlight rapid decline of glaciers worldwide, and the importance and challenges of glacier monitoring. "Continuing to monitor glaciers, even if their future seems bleak, is crucial," says LDEO climate scientist Marco Tedesco. Via GlacierHub: https://bit.ly/4rVS97O

✨ Season's Greetings! Wishing you a season of warmth, peace, and renewal. 🌳 This holiday season, we celebrate 50 years of tree-ring research at Lamont — five decades of discovery, curiosity, and collaboration. 🎁 Tracing Time Through Trees: https://bit.ly/4pGxcwi

🌎 At #AGU25, our scientists and experts are playing an active role, sharing vital research and connecting with colleagues. ➡️ Learn more about our participation (https://bit.ly/3KG1hwI) and some of our many notable presentations: https://bit.ly/4pzAyRD

"We looked out into the future, and [100th Meridian] continues moving eastward because of human-driven climate change. Climate change in the central US is of enormous importance to food security across the world,” says LDEO climate scientist Richard Seager. Via Marketplace. https://bit.ly/4rRBHFN

❄️ LDEO climate scientist Marco Tedesco discusses the X‑Snow citizen science project to measure, photograph, and collect snow data, which helps improve climate predictions and engages the community in environmental stewardship. 🎧 Kaatscast podcast: https://bit.ly/3MgNdKz

📣 Employers, join us for our Feb 27, 2026 Career Expo to connect with future-ready students and alumni who can apply the climate + sustainability lens to any sector, industry, and job function. ⏰ Learn more/register by Dec 15 for early-bird pricing: https://www.climate.columbia.edu/career-expo

With temps breaching the Paris limit, cutting methane could buy crucial time such as by improving water, fertilizer, and soil management in rice production, and better livestock feeding and breeding practices, says LDEO soil systems scientist Yushu Xia. Via The Guardian. https://bit.ly/44jnebh

Among US-based lead authors (📷) who met in Paris to begin drafting IPCC's 7th Assessment Report to inform climate policy are Columbia Climate School professor/LDEO climate scientist Suzana Camargo and NASA GISS research physical scientist Anastasia Romanou. ➡️ https://bit.ly/4oEMhgo

🌿 As COP30 Brasil concluded with an agreement to triple adaptation funding for developing nations and the clean energy transition by 2035, and to reach $1.3 trillion annual spending goal for climate action, our delegates reflect on their time at #COP30: https://bit.ly/3MDJQgD

📢 Apply by Dec 12 for these immersive LEAP-STC events! 💻 Jan 12-13 LEAP Momentum Bootcamp, hands-on workshop on climate data science. ➡️ https://bit.ly/4iD0qt8 💻 With AMNH, Jan 15-17 Urban Futures: Co-Creating Climate Resilience in NYC hackathon. ➡️ https://bit.ly/4iHU4J6

Lamont at #AGU25, effects of reducing arsenic in water, what really happened on Easter Island, repairing GNSS in Bangladesh, Uncovering Hidden Earthquake Faults + Lessons From Past Ice Shelves conversations, summer opportunities for HS students, more! ➡️ https://bit.ly/4ammMwQ

Even long-lived subduction zones eventually die, and a team of scientists including LDEO geophysicists Suzanne Carbotte and Anne Bécel believe they are witnessing the slow death of one in the northern end of the Cascadia subduction zone. Via Popular Mechanics. https://bit.ly/3KBcUF1

Continuing their travels around coastal zone of Ganges-Brahmaputra Delta in Bangladesh to repair GNSS instruments, LDEO geophysicist Mike Steckler and team note that future sustainability depends on balance of sea level rise, subsidence, and deposition of sediments: https://bit.ly/44mPcDl

Excited about the upcoming @iiasa.ac.at AI for Climate Science Seminar with Philosopher @eugeniaunivie.bsky.social (U Vienna) on Dec. 1st 3pm (CET). Further information & registration: iiasa.ac.at/events/dec-2... Upcoming seminars: iiasa.ac.at/projects/ai-... @iiasa.ac.at @lamont.columbia.edu

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

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

#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

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

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

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! 🧪

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

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

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

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

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

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