
New analyses of ancient cattle, sheep and goat bones suggest that the rapid spread of introduced livestock 1,200 years ago coincided with forest loss and population declines among large native herbivores.

Göran Ekström tracks incidents like landslides and glacier collapse using tools once used only to monitor earthquakes.

Led by researchers at NOAA and Columbia University, the Constraining Ocean Carbon with Optimized Observing (COCO2) project will use uncrewed surface vehicles to reduce uncertainty in estimates of the ocean carbon sink.

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.

Columbia Climate School in the Green Mountains is a two-week campus-based program in Vermont for high school students to mobilize action, drive impact and effect change in response to our warming planet. The summer 2026 program welcomed 58 students from the United States, China, Hong Kong, Thailand, Singapore and the U.K. for an impactful, exciting…

M.S. in Climate Finance student Martín Urrutia Illanes combines engineering, renewable energy development and financial analysis to address Chile’s climate challenges.

Greeshma Gadikota is developing a wide range of new approaches for sustainably acquiring and refining the raw inputs that become hardware and energy.

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.

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.