The Arctic suffers more than others from rising global temperatures. In the last decades, the mean temperatures rose two times faster than in other regions of the world. A collapse oft the Greenland ice sheet could lead to a massive rise in global sea levels. In July 2019 a team of young oceanographers left for an expedition along the coast of Eastern Greenland. Warmer sea water in the region leads to the thawing and the erosion of costal glaciers that are melting from the bottom. During four weeks they took water samples to get a better understanding of how much water leaves the fjords and enters the East Greenland Current. The current is part of the global thermohaline circulation, a change in its constitution could have severe effects on the global water circulation including the Gulf Stream that brings a moderate climate to Europe.