climate29
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Greenland Glaciers Retreating Faster than Any Time in Past 9,500 Years
A new study uses sediment cores to track the expansion and retreat of glaciers through time, and finds that they are retreating quickly and are more sensitive to temperature change than previously realized.
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The Paris Climate Summit: Resources for Journalists
Many experts at Columbia University’s Earth Institute are attending or closely watching the Paris climate summit. These include world authorities on climate science, politics, law, natural resources, national security, health and other fields, who can offer expert analysis to journalists. Here’s a guide to resources that journalists covering the summit can tap.
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The Paris Climate Change Conference – What You Need to Know
The United Nations Climate Change Conference, meeting in Paris from Nov. 30 to Dec. 11, brings together world leaders to craft a new international agreement to keep the average global temperature rise below 2°C by 2100. Here’s what you need to know about it.
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International Conference on El Niño, Nov. 17-18
A live-streamed international conference on El Niño takes place on Nov. 17 and 18 at the International Research Institute for Climate and Society.
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Last Sample and Home
We finished our work at the river transect. Now we had one more sample to collect. Alamgir had arranged for drillers at this new site, but they were delayed because of a knife fight between two villages over some property.
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El Niño: Resources for Journalists
El Niño is earth’s most powerful climate cycle, influencing weather and affecting crops, water supplies and public health globally. What may be the strongest El Niño ever measured is now getting underway, and is already affecting parts of the world.
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Global Nutrition Report Highlights Role of Climate
Climate change is complicating global efforts to end malnutrition. Even small and seasonal fluctuations in climate can have big impacts on food availability.
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The Southern Ocean Is Breathing in Carbon Dioxide at a Healthy Rate
“In the last 10 years, we were afraid that the Southern Ocean was going to quit giving us a break from climate change. This study shows that it’s recovered its ability to take up carbon dioxide, and that’s good news.”
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Post-Sandy Rebuilding for Resiliency: Lessons From Long Beach, NY
It is not that people have gotten amnesia and don’t remember the damage of Hurricane Sandy. Some homes are still being rebuilt and some people are still displaced. Moreover, the people who lead the shore towns in Long Island and New Jersey are speaking the language of climate resiliency.

Congratulations to our Columbia Climate School Class of 2026 and all of our 2026 Columbia University graduates! Learn more about our May 15 Climate School Class Day celebration. 💙 #Columbia2026 #ColumbiaClimate2026
