The build-up and subsequent release of warm, stagnant water from the deep Arctic Ocean and Nordic Seas played a role in ending the last Ice Age within the Arctic region, according to new research led by a UCL scientist.
Russia pressed a claim at the United Nations Tuesday for an additional 1.2 million square kilometres (463,000 square miles) of Arctic shelf, stepping up a race for the region's hydrocarbon and mineral wealth.
The current El Nino weather pattern may be on track to become one of the strongest in more than half a century, experts at the World Meteorological Organization said Tuesday.
On both sides of the Bering Strait, summer sea ice has once more dropped to a level that is driving thousands of walruses onto coastal beaches.
Researchers from the University of Aberdeen are set to investigate what consequences the rapidly shrinking sea ice cover in the Arctic is having on the marine ecosystem.