Concern from scientists over potential danger to gas production facilities in region vital for energy supplies.
First shipment leaves from Yamal Peninsula across the roof of the world as tankers head through the Northern Sea Route for first time.
The remarkable rescue and evacuation effort was needed because of a severe break-up in the ice sheet due to global warming.
New road and rail link over the Nadym River.
More craters expected to form due to such eruptions as permafrost melts - and they ARE caused by global warming releasing methane gas.
Three man team probing the discovery is now 'missing in tundra', say Emergency Ministry officials.
A renaissance of one of Siberia's first outposts as the Far North becomes the new economic frontier.
Despite appearances, there is no city anywhere near this oil and gas facility in the Arctic.