Lamont-Doherty Earth Observatory62
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Sustainability Science Capstone Workshop Investigates Microplastics in the Hudson River
A student group examined the types of microplastics entering the river, and created a way for citizen scientists to help with the research.
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Q&A With Kailani Acosta on Diversity in the Geosciences
Women and people of color are historically underrepresented in the geosciences. Through two different diversity initiatives, graduate student Kailani Acosta is working to change that.
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Refining Projections of Antarctic Ice Loss and Global Sea Level Rise
Research by Center for Climate and Life Fellow Pierre Dutrieux will lead to greater understanding of the West Antarctic Ice Sheet’s future stability and associated sea level rise.
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Glaciers Preserve Our History. We Must Defend Them.
In a century or two, future generations will be able to ‘read’ the pandemic chapter in ice cores — if glaciers still exist then.
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How to Disinfect Your Mask: A Step-by-Step Guide
Social distancing and mask-wearing are here to stay for the foreseeable future. This guide will help you safely disinfect and reuse some types of disposable masks.
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Maureen Raymo Appointed Interim Director of Lamont-Doherty Earth Observatory
Raymo is a world-renowned marine geologist and climate scientist whose work focuses on the history and causes of past climate change.
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Rosanne D’Arrigo: Decoding The History of Climate Cycles, One Tree Ring At A Time
A simple fascination with winter and weather patterns led D’Arrigo to become a globe-trotting scientist who collects and analyzes important data from tree rings.
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Earth Institute Solidarity and Support for #ShutDownSTEM
On Wednesday, the State of the Planet blog will be going silent in solidarity with a grassroots movement to eradicate anti-Black racism in academia and STEM.
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Coronavirus Is Improving Water Quality — For Now, At Least
With less pollution entering the air, our waterways are getting cleaner. Whether or not they stay that way is up to us.

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
