The Aniakchak volcano on the Alaska Peninsula (here the caldera) may be responsible for one of the most violent volcanic eruptions in the last 4,000 years. It is located in a region that belongs one of the most active volcanic regions in the world. Image:...
A mother polar bear with her two cubs on the pack ice near Svalbard is a beautiful image. But Norwegian authorities and experts at the Polar Institute fear that this sight is becoming increasingly rare due to pack ice loss and disturbance by tourists. (Photo: Dr...
Konrad “Koni” Steffen (far right), who died in 2020, promoted the establishment of the “Swiss Camp” in Greenland and accompanied young scientists there to support them in their work on climate effects on the cryosphere. This was extraordinarily...
Solid aerosols are formed when ammonium sulfate emitted from the ocean collides with liquid particles. This can change cloud formation and thus the climate in the Arctic. Illustration: Andrew Ault and Matt Gunsch The Arctic is affected by global warming like no other...
The landscape of the Qassiarsuk region, where the first Europeans settled on Greenland, looks completely un-Arctic and lovely. But appearances are deceptive, as the Vikings also had to learn. After only about 500 years, they disappeared again. Image: Carlo Lukassen...