Agriculture26
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Tiger Footprints and Dhaka
We finished our time in the Sundarbans with a silent boat ride in a tidal creek. The highlight was sets of fresh tiger footprints. We then had a long sail back to Dhaka with only one stop at a village. We then had a whirlwind tour of Old Dhaka with enough shopping to send the…
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Salt Kilns and Landscape Change in the Sundarbans
Leaving Hiron Point, we headed east through the Sundarbans to Kotka. At Kotka the students had walks through the forest seeing deer, wild boar and monkeys, while a smaller group also sampled near a set of 300 year old salt making kilns for OSL dating. We managed to finish while the tide inundated the site.…
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Polder 32 and Hiron Point
We visited Polder 32, an embanked island in the delta that was flooded for almost two years when the embankment failed in several places during Cyclone Aila. In addition to the problem of increased subsidence due to the embankment, the area struggles for fresh water. Then we sailed to Hiron Point, a forest station in…
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Working in the Bangladeshi Countryside
After traveling by boat for two days, including crossing the Sundarban Mangrove Forest, we finally arrived in Khulna. We drove to the site of our compaction meter and separated into teams servicing the instruments, investigating agricultural practices, measuring arsenic in the well water and taking sediment samples for dating. We had finally started our work…
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Sailing Around Political Unrest in Bangladesh
With the roads in Bangladesh hazardous to drive because of the ongoing political unrest, our undergraduate sustainable development class managed to proceed with our class trip over Spring Break by doing all travel by boat.
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Study Finds Genetic Clues to How Plants Adapt to Climate
Using supercomputers to analyze hundreds of thousands of genetic markers, scientists say they have found how a common weed uses its genetic code to adapt to changes in its environment such as cold and drought. The findings could help develop crops that are more adaptable to climate change.
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Photo Essay: Fire and Ice off Cascadia
A team of scientists traveled to the Pacific Northwest aboard the R/V Atlantis last fall to investigate whether the waxing and waning of ice ages and volcanic eruptions are somehow related.
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Toxic Chemicals All Around Us: Is Green Chemistry the Answer?
We live in a world filled with synthetic chemicals, many with known or suspected health hazards. Can green chemistry, the design of chemical products without hazardous substances, provide a solution?
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Matching Funds Boost Contributions through Dec. 31
The Earth Institute will benefit this holiday season from a matching gift from dedicated donor Betsee Parker, who will match your contributions dollar for dollar up to $300,000 this holiday season.

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
