Five Lamont scientists received major 2026 honors recognizing research on sea-level change, ocean carbon uptake, seafloor ...

In this month's edition of our research roundup, we look at the impact of suspending U.S. embassy reporting on air quality; ...

The current El Niño will break all sea-surface temperature records to date and will very likely deliver unprecedented weather ...

Through Columbia Climate School programs, students conducted hands-on climate research to build scientific, analytical and ...

Scientists are studying fossil coral reefs in the Cook Islands to reconstruct sea levels during the Last Interglacial, and hoping to improve projections of future change.

New analyses of ancient cattle, sheep and goat bones suggest that the rapid spread of introduced livestock 1,200 years ago ...

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 ...

Extreme rainfall events that cover large areas, including hurricanes, atmospheric rivers and thunderstorm complexes, are a growing threat, but many studies on extreme precipitation focus on the ...

Though nearly three-quarters of Earth’s surface lies beneath the oceans, the seafloor remained largely uncharted until the mid-20th century. In 1948, geologist and cartographer Marie Tharp came to ...

In March 2026, Hawaii was battered by the most severe flooding it had seen since 2004. The intense storms were driven by a series of “Kona lows”—winter storm systems that draw warm, moisture-laden air ...

UNFCCC plenary room at the June climate meetings during the research dialogues, setting the scene for two weeks of negotiations. Jim Skea, chair of the Intergovernmental Panel on Climate Change, ...

This piece was originally published on CCSI Investment Perspectives, a guest column by the Columbia Center on Sustainable Investment. Credit: NASA/Unsplash Amid continuing conflict in the Middle East, ...