Snow

Dr. Julienne Stroeve discusses the changes underway in the Arctic, with specific focus on the Arctic ice cover. The continued loss of the Arctic summer sea ice cover will have a profound environmental, biological, and societal impacts.

"Water: A Zero Sum Game" takes viewers high into the Rocky Mountain snowpack as researchers dig snow pits to explore the source of our water supply. 'The snowpack acts as a storage system, or bank account," snow hydrologist Mark Williams explains, "it releases water slowly into the watershed as it...

120 seconds of science. Julienne Stroeve, Ph.D. explains her research on albedo, the reflectivity of snow and ice surfaces.