Josefino C. Comiso is a Senior Research Scientist of the Oceans and Ice Branch Division of the NASA Goddard Space Flight Center. His current research interests include: (a) the detection of climate change from historical data; (b) the role of Odden and polynyas in ocean convection and bottom water formation; (c) air-sea-ice interactions and biological processes in the polar regions; (d) radiative transfer modelling studies and satellite algorithms for sea, ice and snow.