‘Thousands’ perish amid calls for a state of emergency in the region, with fears anthrax vaccine is a cause of death.

Gas bubbles from waters filling crater hole on Yamal peninsula two months after volcanic-style explosion in thawing permafrost.

Two extreme weather events in 2006 and 2013 caused mass starvation among the reindeer herds, and researchers for the first time have linked these extreme weather events in the coastal mainland in northwest Russia with sea ice loss in the adjoining Barents and Kara seas.

Sixty-one thousand reindeer starved to death in the northwestern reaches of the Russian tundra in November 2013 in the largest recorded mortality event of its kind.