Kevin Schaefer (IMAGE) University of Colorado at Boulder Caption NSIDC research scientist Kevin Schaefer stands above melting ground ice in front of the Alaska pipeline on the North Slope. Credit Roger Michaelides. Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.