Climate125
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Building Resiliency in Sierra Leone’s Fishing Communities
Coastal communities in Sierra Leone face threats from climate change, overfishing, and erosion. A new vulnerability assessment helps to pinpoint solutions.
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Researchers Say an 1800s Global Famine Could Happen Again
The Global Famine was one of the worst humanitarian disasters in history, killing as many people as World War II. A new analysis suggests it could happen again, only worse because of climate change.
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New IPCC Report Offers New Data, Stern Warnings, Hope
The report shows that every degree of warming matters for livelihoods in most communities.
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It’s Totally Possible to Limit Global Warming to 1.5 Degrees
We have nearly all the tools we need to avoid a climate catastrophe—we just need to start using them, and fast.
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The Melting of the Greenland Ice, Seen Up Very Close
A small team of scientists ventures out onto the Greenland ice sheet to study the forces large and small that are accelerating the melting of the world’s second-largest ice mass.
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Photo Essay: Melting Greenland, Up Close
As climate warms, the Greenland ice sheet is melting, helping to fuel global sea-level rise. Follow a small team of scientists as they hike onto the sheet to investigate the forces large and small that are demolishing the ice.
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New Book: Climate Information for Public Health Action
A new textbook edited and written by researchers across Columbia gives the health community a primer on why, when and how climate information can and should be incorporated into health research, policy and practice.
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Using Tree Ring Records to Decode Earth’s Climate History
An interview with Ed Cook, one of the founding directors of the Tree-Ring Laboratory at Lamont-Doherty Earth Observatory.
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Interactive Quiz: Test Your Knowledge of Climate Change and Its Impacts
In celebration of Climate Week NYC, here are 10 sample questions from our Climate Challenge game on Kahoot!
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
