Highlights From the 2026 Open House at Lamont-Doherty Earth Observatory
More than 2,500 visitors explored hands-on activities, lectures and installations at Lamont's campus on Saturday, October 17.
Göran Ekström tracks incidents like landslides and glacier collapse using tools once used only to monitor earthquakes.
Led by researchers at NOAA and Columbia University, the Constraining Ocean Carbon with Optimized Observing (COCO2) project will use uncrewed surface vehicles to reduce uncertainty in estimates of the ocean carbon sink.
New analyses of ancient cattle, sheep and goat bones suggest that the rapid spread of introduced livestock 1,200 years ago coincided with forest loss and population declines among large native herbivores.
Scientists are studying fossil coral reefs in the Cook Islands to reconstruct sea levels during the Last Interglacial, and hoping to improve projections of future change.
Through Columbia Climate School and Lamont-Doherty Earth Observatory programs, students conducted hands-on climate research to build scientific, analytical and communication skills.
In this month's edition of our research roundup, we look at the impact of suspending U.S. embassy reporting on air quality; why two extreme heatwaves had different impacts; and how to make vulnerable populations in smaller cities more visible.
Join Lamont-Doherty Earth Observatory in Palisades, NY, on Saturday, Oct. 17, for a free, family-friendly event. Explore research facilities through lab tours, exhibits, hands-on activities and talks.
One year after NYC launched its congestion pricing policy, fine particulate pollution inside Manhattan’s congestion relief zone was 13 percent lower, according to a new analysis.
Five Lamont scientists received major 2026 honors recognizing research on sea-level change, ocean carbon uptake, seafloor mapping and Earth’s deep interior. William B. F. Ryan receives the Maurice Ewing Medal; Jacqueline Austermann, Gisela Winckler and Galen McKinley receive AGU distinctions, while Renata Wentzcovitch is named a Distinguished Lecturer.
A new study found that when microplastics contact water, their surfaces can become chemically reactive. This could be how they get us sick.
Scientists at Columbia University and Imperial College London have found that the largest canyon system in the solar system is still active and shaping Mars today, billions of years after it first formed.
From October through June, Columbia Climate School researchers and students will host sessions exploring climate and sustainability topics including biodiversity, climate finance, climate action in professional sports and wildfire management.
More than 2,500 visitors explored hands-on activities, lectures and installations at Lamont's campus on Saturday, October 17.
New research shows that 2,000 years ago, remnants of an Arctic ice sheet began growing again, marking the start of a new glacial period—what we commonly call an ice age. But by the 1960s, global warming had raised summer temperatures enough to reverse that growth.
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