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Following the Trail of Ancient Icebergs
A few days ago we reached our main study area in the eastern Amundsen Sea. Here we are using sonar to map the contours of the seafloor in great detail. During the last glaciation the Antarctic ice sheet was much larger and covered most of the continental shelf, an underwater extension of the continent that…
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The Role of Wastewater Treatment in Drug Resistance
One of the main threats to health in both the developing and developed worlds is the increasing resistance of bacteria to antibiotics. On February 19, Kartik Chandran, Assistant Professor of Earth and Environmental Engineering talked with Water Center staff and students about his study of the role wastewater treatment might play in this complex issue.
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UK report on oceanic geoengineering study
New research from the UK’s National Oceanography Centre, Southampton shows that plans to pump nutrient-rich water up from the deep ocean in order the boost algae growth at the surface to absorb CO2 would likely only sequester a small amount of total anthropogenic carbon emissions, and if the system was stopped could lead to rapid…
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Mayor of Accra, Ghana, Speaks to City’s Challenges During Visit to the Earth Institute
The Millennium Cities Initiative (MCI) and the Earth Institute (EI) were honored to host Accra Mayor Alfred Vanderpuije this week, for a series of lectures and meetings focused on Ghana’s capital. Mayor Vanderpuije met twice with the leadership of the MCI Accra team – Professor Patricia Culligan, Vice-Dean of the School of Engineering and Applied…
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Climate, Fires and Birds: How is the Tundra Changing?
Natalie Boelman is an ecologist at Lamont-Doherty Earth Observatory who studies the effects of climate change on organisms throughout the food chain. She first visited the Alaskan Arctic in 2001, and will return to the North Slope this spring and summer to continue a wildfire-mapping project and to set up a field study that will…
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A Video Camera on the Bottom of the Ocean
Here is a video montage showing highlights of the seafloor deployment of the VentCam (created by Carl Robinson): You can read more about this project here, and more on the deployment of this particular instrument here.
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Con Edison, Nestlé and Walmart Join the Earth Institute Corporate Circle
Following the launch of the Corporate Circle in October 2009, we are thrilled to welcome Con Edison, Nestlé and Walmart as new Sustaining Members with their $25,000 gifts to the institute. At this level, all three corporations are supporting the core sustainable development work of the Earth Institute and joining a network of top companies…
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Twitter Photo of the Day
The Columbia Water Center is now posting a Photo of the Day on Twitter, highlighting global water issues and CWC’s projects around the world. Follow us here: http://twitter.com/columbiawater
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Punjab Farmers Adapt to Shrinking Water Supply
Often referred to as the granary of India, Punjab is now slowly drying out. And though many farmers are deeply worried over the prospects of producing enough food, some of the more entrepreneurial ones are adopting new ways to conserve water while bracing for what will be a drier future. Back in the 1970s India…
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