In a vivid example of how a small geographic feature can have far-reaching impacts on climate, new research shows that water levels in the Bering Strait helped drive global climate patterns during ice age episodes dating back more than 100,000 years.

No matter how you slice it, the last few weeks have been consistently wintry across large chunks of North America and Eurasia.

Sometimes the numbers just don’t add up, even when you know they need to. Attendees at the Copenhagen meeting got a taste of that as the massive meeting struggled to accommodate its guests.

Amid the strife of the Copenhagen climate summit, one area of acknowledged progress was in ways to help preserve tropical forests and their vast stores of carbon in developing countries.

A year after she was finishing a two-year appointment at NCAR, Mercy Borbor Córdova was literally on the world stage, serving as a delegate from Ecuador at the Copenhagen climate summit.