Svalbard and the Arctic today - global challenges : By Dr. Olav ORHEIM, Head of the Norwegian International Polar Year secretariat. (Lecture in English with simultaneous interpretation into French). As an expert glaciologist, Dr Olav ORHEIM was the Director of the Norwegian Polar Institute from 1993 to 2005. He is currently Head of the Norwegian International Polar Year secretariat Dr.Olav Orheim is a distinguished expert of the High North who has spent more than thirty years studying the effects of global warming. He is a strong spokesman for international cooperation related to the climate.