A new study shows a few degrees of warming can trigger abrupt thaws of vast frozen lands, releasing huge stores of greenhouse gases and collapsing landscapes.
Earth Science Women's Network Member Spotlights - Colleen Iversen
Dr. Colleen Iversen is an ecosystem ecologist who uses a variety of field and laboratory techniques to understand and predict how ecosystems are shaped by environmental change.
Breaking the Ice: ORNL Explorer Back from the Arctic
You think it's cold in East Tennessee? Try getting close to the North Pole, where the wind chills in early autumn routinely whip down to -25°C (-13°F).
Cold, Hard Data: ORNL Data Scientists Support Historic Arctic Expedition
Misha Krassovski is one of the 60 some scientific personnel who embarked on the first leg of the largest polar expedition of all time, called the Multidisciplinary Drifting Observatory for the Study of Arctic Climate, or MOSAiC.