Here is a short video interview with Glaciologist Dorthe Dahl-Jensen by APECS (Association of Polar Early Career Scientists).  Professor Dahl-Jensen heads up the Greenland ice-core drilling project at Summit camp this is the highest point on the Greenland Ice Sheet (~3200 metres above sea level).  She describes how she got into Glaciology and Climate research and why we collect ice-cores in Greenland.