Columbia Climate School

Columbia Climate School Innovative education, groundbreaking research, and just solutions for climate, Earth, and society.

We're not your average academic institution with researchers and students buried under mounds of books and papers. From expeditions through the Southern Ocean to measuring core samples in the Arctic, something new is being discovered each day. Here we’ll capture those stories and more of how the Earth works and how we can sustainably make our lives here better.

Cities across the US are grappling with increasing climate risks, aging energy infrastructure, and rising costs hampered...
09/30/2026

Cities across the US are grappling with increasing climate risks, aging energy infrastructure, and rising costs hampered by financial and governance constraints.

“How can cities make energy accessible and affordable when cities themselves do not control the energy system,” asks Alexis Abramson, Columbia Climate School Dean and sustainable energy technology expert.

During , Ann Arbor mayor Christopher Taylor, Atlanta chief sustainability officer Chandra Farley, and New York public utility advocate Annel Hernandez joined professor of climate Sheila Foster to share the ways they are working at the local level to improve energy efficiency, reduce costs, and overcome challenges.

The conversation is connected to the ongoing work at Columbia University through Cities Uniting to Reduce Energy Insecurity (CUREi)—led by Sheila Foster and Diana Hernández of Mailman School of Public Health and the Energy Opportunity Lab at the Center on Global Energy Policy. CUREi convenes researchers and city partners to better understand and reduce household energy insecurity.

Learn more via State of the Planet:
https://news.climate.columbia.edu/2026/09/29/columbia-climate-school-hosts-city-leaders-to-address-energy-affordability-and-climate-action/

📷 In conversation at Cities, Energy Affordability and Climate Action, from left to right, Annel Hernandez, Chandra Farley, Sheila Foster, and Christopher Taylor. Credit: David White Photography

📣 Join our dynamic community of postdoctoral researchers!Columbia Climate School invites innovative doctoral candidates/...
09/29/2026

📣 Join our dynamic community of postdoctoral researchers!

Columbia Climate School invites innovative doctoral candidates/recent PhD, MD, JD, ScD recipients interested in a broad range of issues in sustainable development to apply for fall 2027.

➡️ Learn more/apply by Oct 30: https://www.climate.columbia.edu/postdoctoral-research-program

"These El Niño forecasts are not abstractions of warming far in the future. They are concrete predictions of climate and...
09/28/2026

"These El Niño forecasts are not abstractions of warming far in the future. They are concrete predictions of climate and weather conditions, some of which will be highly disruptive during the next 18 months," writes Jeffrey Shaman, Columbia Climate School professor/senior vice dean and Columbia Public Health professor of environmental health sciences. On the upside: "There is still time to prepare, plan, and make our systems more resilient." Via The New York Times: https://www.nytimes.com/2026/09/27/opinion/el-nino-weather-forecasts-climate-change.html

09/28/2026

Expert Jeff Schlegelmilch, MPH, MBA, Columbia Climate School professor/National Center for Disaster Preparedness, Columbia University faculty director, joins CNN to discuss the potential impacts of a Super El Niño on communities across the globe.

Learn more about El Niño from our experts: https://www.climate.columbia.edu/el-nino-hub

Back-to-back European heatwaves pushed this year's Glacier Loss Day to its second earliest date on record, indicating ac...
09/24/2026

Back-to-back European heatwaves pushed this year's Glacier Loss Day to its second earliest date on record, indicating accelerating glacial melt across Switzerland, France, and Italy.

Central European alpine communities have already been forced to adjust to the changes brought from melting glaciers, with downstream communities at risk, and will likely need to continue to adapt if rising temperature trends continue.

“For mountain communities, the more useful question is usually not how do we keep this summer from happening again” but rather “which of these changes are permanent, and what the local economy and local infrastructure need to look like on the other side of them,” says Jeff Schlegelmilch, faculty director of the National Center for Disaster Preparedness, Columbia University.

Learn more via GlacierHub / State of the Planet:
https://news.climate.columbia.edu/2026/09/17/europes-earliest-glacier-loss-day-in-years-signals-a-reckoning-for-the-alps/

📷 Mountaineers reaching the Mont Blanc summit. Credit: Carlos Baquero / Flickr

Join TODAY's Columbia Climate School   events via livestream:September 24, 202612:45-1:45pm ETL.A. Times’ Boiling Point ...
09/24/2026

Join TODAY's Columbia Climate School events via livestream:

September 24, 2026
12:45-1:45pm ET
L.A. Times’ Boiling Point Live at Columbia Climate School
▶️ Livestream: https://columbiauniversity.zoom.us/j/96183001519

2pm-3:30pm ET
Beyond the Forecast: What El Niño Reveals About Science, Society, and Action
▶️ Livestream: https://columbiauniversity.zoom.us/j/94841204617

5-6pm ET From Antalya to Addis Ababa: Making COP32 Deliver
▶️ Livestream: https://columbiauniversity.zoom.us/j/96256070247

Globally, 1 in 4 people do not have access to clean water. Although technology and strategies exist to address the lack ...
09/23/2026

Globally, 1 in 4 people do not have access to clean water. Although technology and strategies exist to address the lack of potable resources, these technologies often remain unimplemented in smaller communities facing dire need.

Sustainable development alum Dylan Dettloff used his Columbia Climate School Collaborative Research Grant to develop a Python-based decision tool to help rural and water-scarce communities identify the most suitable desalination technologies.

Learn more via State of the Planet: https://news.climate.columbia.edu/2026/09/15/a-new-tool-for-matching-water-solutions-to-community-needs/

📷 Dylan Dettloff displaying his poster at the Climate School Student Research Showcase, April 2026. Credit: Dylan Dettloff

MS Climate Finance student Martín Urrutia Illanes, just one of three recipients of a prestigious Stanley Park Climate Fi...
09/23/2026

MS Climate Finance student Martín Urrutia Illanes, just one of three recipients of a prestigious Stanley Park Climate Finance Scholarship, combines engineering, renewable energy development, and financial analysis to address Chile’s climate challenges.

What does Urrutia hope to gain from his studies? “I think this master’s is really special in that it’s half climate, half finance—you have an opportunity to learn from different perspectives what the problem is and then how to tackle it with numbers. It’s really special for me because I want to be part of the change here in Chile. The renewal transition is at full speed over here.”

Learn more about Urrutia's path to Columbia Climate School via State of the Planet: https://news.climate.columbia.edu/2026/09/18/this-stanley-park-fellow-is-studying-climate-finance-to-help-guide-chiles-energy-transition/

📷 Martín Urrutia Illanes in Valle Leones, in the Aysén Region of Chilean Patagonia. Credit: Clara Benavente

🌊 Marine carbon dioxide removal could support climate action but faces major scientific, technical, and governance chall...
09/22/2026

🌊 Marine carbon dioxide removal could support climate action but faces major scientific, technical, and governance challenges, according to a National Academies of Sciences, Engineering, and Medicine report, whose standing committee members include Sabin Center for Climate Change Law deputy director Romany Webb and Lamont-Doherty Earth Observatory oceanographer/carbon cycle scientist Galen McKinley.

“The ocean is too large a part of the carbon cycle to ignore, and we need every viable tool for addressing climate change. But the case for marine carbon dioxide removal at scale has to be built on evidence we do not yet have. Ocean alkalinity enhancement (OAE) remains promising, but there are still major uncertainties about how it would work in the ocean, how much carbon it would actually remove, and what it would take to scale responsibly,” says McKinley.

“Marine CDR involves perturbing the ocean, a global commons that all countries and all people have an interest in protecting. Existing legal frameworks were largely developed with other activities in mind, and they often fit awkwardly around approaches that may pose environmental risks but are ultimately intended to deliver climate benefits. Unless clearer governance frameworks are put in place, advancing marine CDR may prove impossible,” says Webb.

➡️ Learn more via State of the Planet:
https://news.climate.columbia.edu/2026/09/21/new-report-ocean-carbon-removal-shows-promise-but-big-questions-remain/

📷 National Academies of Sciences, Engineering, and Medicine

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