Earth Sciences3
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Remembering World-Renowned Soil Scientist, Agriculture and Food Security Center Director Pedro Sanchez
Walter Baethgen reflects on his friendship with Sanchez.
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American Geophysical Union 2025: Key Scientific Presentations From Lamont-Doherty Earth Observatory and Columbia Climate School
Check out a guide to some of our notable research at this year’s AGU conference.
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Sailing Around the Bangladesh Coastal Zone
The future sustainability of the delta depends on the balance of sea level rise, the subsidence of the land, and the deposition of sediments that can help maintain the land.
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Driving Around the Bangladesh Coastal Zone
Mike Steckler travels around the coastal zone of the world’s largest delta in Bangladesh to repair GNSS (GPS) instruments.
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Reducing Arsenic in Drinking Water Cuts Risk of Death, Even After Years of Chronic Exposure
Published today in JAMA, a 20-year study of nearly 11,000 adults in Bangladesh found that lowering arsenic levels in drinking water reduced the risk of death from chronic illnesses, compared with continued exposure.
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Continuing on to Comilla, Dhaka and the Coast
After finishing fixing their global navigation satellite system equipment in Sylhet, Mike Steckler and his team traveled south to repair more stations in Comilla, then to Dhaka and the coast.
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Repairing Global Navigation Satellite Systems in the Land of Tea
Mike Steckler 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.
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What Really Happened on Easter Island? Ancient Sediments Rewrite the “Ecocide” Story
A new study challenges long-held narratives of societal “collapse,” instead showing that Rapanui communities adapted to profound climate stress with resilience and innovation.
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Earth’s Continents Stabilized Due to Furnace-Like Heat, Study Reveals
The new discovery has implications beyond geologic history, such as the search for critical minerals and habitable planets beyond Earth.
You Asked invites you to share your most pressing questions about climate, science, and sustainability. Lamont-Doherty Earth Observatory and Columbia Climate School experts will respond with clear, evidence-based answers. Pose your questions and story ideas!
