Climate109
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Why Green Bonds Could Be Key to Fighting Climate Change
The idea behind green bonds is not complicated, but the application of this simple financial mechanism could be transformational.
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Iceland to Commemorate the Demise of Okjökull Glacier
On August 18, 2019, an event will be held to install a monument to Okjökull, the first Icelandic glacier lost due to human-caused climate change.
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New Resource Compares All the Carbon Tax Proposals in Congress Right Now
An unprecedented number of carbon tax plans are currently on the table in Congress. A new online resource from the Center on Global Energy Policy compares the different proposals and explains what you need to know about a federal carbon tax.
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You Asked: If CO2 Is Only 0.04% of the Atmosphere, How Does it Drive Global Warming?
Short answer: A little bit goes a long way.
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California and Automakers Confront Trump’s EPA
California had leverage and used it to cut a favorable compromise with four auto manufacturers over auto mileage standards.
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More Than Rice: The Future of Food Security in Vietnam
Representatives from Vietnamese government agencies and farmers’ groups came together at a recent workshop to discuss how to improve access to climate information for more effective decision making.
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The Climate Epochs That Weren’t
Climate scientists often invoke the Medieval Warm Period and the Little Ice Age as natural worldwide climate swings predating human influences. They may not have worked the way we think.
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Climate Change Could Revive Medieval Megadroughts in U.S. Southwest
Study picks apart factors that caused severe, long-lasting droughts and suggests increased risk for future.
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Nothing to Sneeze At: How Climate Change Could Make Your Allergies Worse
As the world warms, plants may benefit but pollen allergies will likely get worse.
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
