Columbia University

The dinosaurs' demise up close

Tourists flock to Italy to see Michelangelo's David and other iconic hunks of Renaissance stone, but in a trip over spring break, a group of Columbia students got to visit rocks that have shaped the world ...

Feb 07, 2014
4.8 / 5 (5) 0

Polarization in New York state over fracking

On Sept. 18, The Earth Institute hosted Tanya Heikkila and Chris Weible of the University of Colorado Denver for a seminar on "The Political Landscape of Shale Gas Development and Hydraulic Fracturing in ...

Sep 29, 2014
2 / 5 (1) 0

Tackling an Ice Age mystery

In the northern hemisphere, ice sheets ebb and flow in 100,000-year cycles, driven by varying amounts of sunlight falling on Earth's surface as its orbit and orientation toward the sun changes. But astronomical variations ...

Sep 05, 2013
4.8 / 5 (5) 0

Sculpting tropical peaks

Tropical mountain ranges erode quickly, as heavy year-round rains feed raging rivers and trigger huge, fast-moving landslides. Rapid erosion produces rugged terrain, with steep rivers running through deep ...

Oct 01, 2014
3.5 / 5 (2) 0