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Bottom-Up Sustainability: The Case of Altavista in Medellin, Colombia
One size does not fit all. A community garden project shows how involving communities in planning and development can help make sustainable practices successful.
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U.S. May Have Been Responsible for Almost Half of Recent Past Illegal Tiger Trade
A new study indicates that the scale has been underestimated.
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Dhaka and Beyond
After a week of meetings and a wedding in Dhaka, we headed back to the field to service equipment measuring land subsidence in Bangladesh.
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Amid the Marshall Fire’s Urban Ashes, Hints of a Less Combustible Future
An interview with a homeowner whose block survived while others burned reinforces longstanding advice from experts on living in fire-prone landscapes.
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Let’s Build a Train From Brooklyn to Queens and Someday to the Bronx
Let’s build that interborough train line and once it’s up and running, build a second phase to the Bronx.
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Can We Feed Billions of Ourselves Without Wrecking the Planet?
A new Earth Institute primer lays out the basics of achieving sustainable agriculture on a global scale.
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Clearing the Air: Decarbonization Technologies Take a Giant Step Forward
Research from Columbia’s Lamont-Doherty Earth Observatory is being used to pull CO2 out of the air.
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Penny Wise and Pound Foolish? NYC Budget Cuts Aggravated Flooding and Deaths
When drainage infrastructure isn’t maintained, even modest rainfall events can cause dangerous flooding.
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Glacier Blankets in Switzerland Highlight Global Disparities in Fighting Climate Change
Although geotextiles have helped to slow glacier melt in Switzerland, they are a climate change adaptation that’s not affordable or feasible in many developing countries.
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
