SUMMIT CAMP, GREENLAND-- I caught up with Dr. Jack Dibb, a fixture at Summit Camp since its beginning in 1989. Jack is an atmospheric chemist... {Read More »}

SUMMIT CAMP, GREENLAND-- To get to Summit Camp, we fly with the 109th Air National Guard in a Hercules C-130 aircraft. It is definitely not your typical airline experience. {Read More »}

SUMMIT CAMP, GREENLAND-- On Friday, we had to say goodbye to Tom, who was only up at Summit for the week to run radar profiles… {Read More »}

KANGERLUSSUAQ, GREENLAND-- On Monday, our team of Tom Neumann (University of Vermont), Elyse Williamson (Hamilton College), Kristina Sorg (Bowdoin College) and I arrived bright and… {Read More »}

To do field research on top of two miles of ice, you've got to be prepared. Here's what I'm packing. {Read More »}

FAIRBANKS, ALASKA-- Scientists that travel to the Arctic to conduct their research have learned that proper planning can be the difference between having a successful… {Read More »}

Understanding how temperatures have varied in the past is important to predicting how climate will change in the future. Thermometers and other human-built instruments have only been around for a few hundred years, so scientists like Billy D’Andrea need other ways of reconstructing temperature records that extend farther back in time. {Read More »}

In Greenland, layers of snow have accumulated over hundreds of thousands of years to a depth of two miles. A wealth of information about past climate is contained in the snow itself and in the air bubbles trapped in the spaces between the particles of snow. {Read More »}

Artifacts found in western Siberia suggest that people were in the Arctic about 40,000 years ago. There’s also evidence that the first people to reach the Americas may have come through Asia and gone through the Arctic on a land bridge between Alaska and Siberia some 20,000 years later. {Read More »}

This summer, I'm headed to Summit, Greenland, to study how snow becomes ice. Here's a short introduction to the project. {Read More »}