Climate121
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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.
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Robots Roaming in Antarctic Waters Reveal Why Ross Ice Shelf Melts Rapidly in Summer
A new study reveals how local factors influence the Ross Ice Shelf’s stability, refining predictions of how it will change and influence sea rise in the future.
COP31, the 2026 United Nations Climate Change Conference, aims to advance dialogue, strengthen consensus, and accelerate climate action on a global scale. From November 9–20, 2026 in Antalya, Türkiye, heads of state, ministers, scientists, business leaders, and civil society will gather to advance efforts in emission targets, climate finance, and adaptation and resilience. Once again, our experts, students, and global thought leaders from Columbia Climate School and across Columbia University are contributing to key events, sharing insights, and helping shape the dialogue toward ambitious, science-based solutions. Learn More
