Nacreous clouds are becoming more and more frequently observed in the Arctic and in more southern regions, such as here in Sweden. Image: P-M Hedén Polar stratospheric clouds over the Arctic could explain observed differences between polar warming calculated by...
The American beaver (Castor canadensis) continues to spread in the Alaskan tundra due to climate change. Photo: Becky Matsubara via Wikimedia Commons (CC BY 2.0) Beavers are moving further into the tundra as the Arctic warms with their construction activities causing...
Que Sera will sail to Alaska from Newfoundland via Greenland and the Northwest Passages (Photo: Pacifique) An insurance dispute forced the postponement of last year’s leg of the Arctic Expedition, but the organisers of the scientific and artistic voyage have new...
Methane leakage under the ice of a frozen lake. In the current climate debate, almost everything revolves around carbon dioxide. The second most important greenhouse gas is often forgotten, even though methane is significantly more harmful to the climate than CO2 and...
Large glacial fronts of ice sheets once also covered large parts of the Arctic Ocean and exerted pressure on the seafloor in the shelf region. Nowadays, the ice barriers are all in retreat, also on Svalbard (pictured: Austfonna). Picture: Michael Wenger The melting of...