Lamont-Doherty Earth Observatory180
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Same Road, Different Obstacle
Last year I was collecting a sample of sediment from a riverbed and spent the day walking up the Neto River to find a good location. When I finished, I noticed a road high on one side of the valley. I climbed to the road and found a tunnel with no lights inside. I looked…
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High Elevation Lakes
We are currently taking samples of water and sediments from high-elevation lakes near the glaciers. Like ice cores from the glaciers themselves, these should contain substances that will help us understand the climate history of this region. The sampling is being done in conjunction with the Indonesian Institute of Sciences and the Indonesian Meteorological, Climatological…
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Needed: Ice Drills
We are staying at the high-elevation Grasberg gold and copper mine—not on top of Puncak Jaya—because some of our equipment has not arrived. We have 99 pieces out of the 106 we shipped, but unfortunately our ice drills are in the missing pieces, and we cannot do anything without those. We are working hard to…
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How the Toe of Italy’s Boot Evolved
Nano and I have arrived in the Crotone Basin, where we’re staying in a place that Italians call an “agriturismo,” which is like a bed and breakfast that also serves lunch and dinner. Our little place is unique even among agriturismos. It is called Canciumati (can-chew-ma-tea), a house with four generations living under one roof.…
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Scouting the Glacier
Team members are now actively scouting by foot on Puncak Jaya, looking for the best drill spots, travel routes and campsites. The man in red is Broxton Bird of Ohio State University. In brown, the appropriately named alpine veteran Keith Mountain of the University of Louisville. At bottom: team leaders Dwi Susanto and Lonnie Thompson give a…
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Recovering from Jet Lag in a Dormant Volcano
It is a brutal flight from New York City to Roma. I am a sucker for in-flight movies: things I would never watch in the real world, I am completely enthralled with during an overseas flight. The problem on this flight is that we arrive at 7:30am. We have a whole day ahead of us…
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Moving Up a Melting Mountain
Four days ago, we flew into the lowland Papuan city of Timika, then moved up to Tembagapura, a town managed by the Freeport-McMoRan company, whose gold/copper mine near our glaciers is lending us logistical support. Tembagapura, at 1,900 meters (6,000 feet), was our first step in acclimatizing to high elevation. Now we have moved up…
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Return to Malawi: Bringing Home Instruments and Earthquake Data
In early May, Scott Nooner and I returned to Malawi to retrieve our seismic equipment and finally lay eyes on the data recorded over the last 4 months. Picking them up was vastly easier than putting them out. In contrast to the days studying out-dated maps and driving down dirt roads looking for sites, and…
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The shrinking face of Jacobshavn Isbrae (Glacier)
Jacobshavn Isbrae is one of the fastest moving and most productive glaciers in the world. Scientists estimate that close to the snout (front) its movement has accelerated in recent years from 20 to 40 meters a day. At the same time that the front has accelerated the glacier has been rapidly retreating through ‘calving’ (large sections breaking…

AGU25, the premier Earth and space science conference, takes place December 15-19, 2025 in New Orleans, Louisiana. This year’s theme—Where Science Connects Us—puts in focus how science depends on connection, from the lab to the field to the ballot box. Once again, Lamont-Doherty Earth Observatory and Columbia Climate School scientists, experts, students, and educators are playing an active role, sharing our research and helping shape the future of our planet. #AGU25 Learn More