More than 2,500 visitors explored hands-on activities, lectures and installations at Lamont's campus on Saturday, October 17.

From October through June, Columbia Climate School researchers and students will host sessions exploring climate and sustainability topics including biodiversity, climate finance, climate action in ...

Scientists at Columbia University and Imperial College London have found that the largest canyon system in the solar system ...

New research shows that 2,000 years ago, remnants of a once-vast Arctic ice sheet began growing again, marking the start of a new glacial period—what we commonly call an ice age. But by the 1960s, ...

Inspired by the freedom found in the mountains, this M.S. in Sustainability Management alum calls for restoring ecosystems ...

A new study found that when microplastics contact water, their surfaces can become chemically reactive. This could be how ...

At a Climate Week symposium, Columbia Engineering convened members of government, industry and academia to examine critical ...

As COP31 and COP32 approach, a Climate Week panel brought together climate leaders to discuss how the world can turn Paris ...

Five Lamont scientists received major 2026 honors recognizing research on sea-level change, ocean carbon uptake, seafloor mapping and Earth’s deep interior. William B. F. Ryan receives the Maurice ...

The landslide scar and the zone where vegetation was stripped by the tsunami are both visible in this aerial photo of Tracy Arm and South Sawyer Glacier, captured on August 13, 2025. Credit: U.S.