On one side, a shallow ocean surrounded by land and a highest point that reaches 6,190m above sea level (Mt Denali); on the other, a continent surrounded by a deep ocean a highest point of 4,892m (Mt Vinson) (Illustration: BAS) The British Antarctic Survey’s latest...
Glacial rock-flour deposits, shown here at Ilulialik in Nuuk Fjord, are somewhat elevated and easily recognisable (Photo: Minik Rosing) Bedrock ground to powder by Greenland’s glaciers can bind significant amounts of carbon dioxide in acidic soils and also has...
Polar bears can take whatever weather nature dishes out. But how will they fare in an Arctic where extremes occur more frequently (Photo: Michael Wenger) Frigid temperatures make the Arctic an extreme environment in and of itself. But a changing climate and a still...
The landslide at Pretty Rocks, at about the halfway point of the Denali National Park road, is seen on 5 May. The project to install a new bridge that will allow the road to reopen is challenging because of geologic and logistical complexities, which include ice-rich...
An ice-free Arctic ocean would be a disaster for animals such as walruses, polar bears and other animals who rely on sea ice for their habitat, but it would also jeopardise important ecological processes (Photo: Michael Wenger) Temperatures in the Arctic are rising...