High levels of ‘fire ice’ trapped in permafrost may turn Russia into a global leader of new gas sources.

More craters expected to form due to such eruptions as permafrost melts - and they ARE caused by global warming releasing methane gas.

Russian foreign minister Sergei Lavrov and US secretary of state John Kerry will attend the May 14-15 Arctic Council in Kiruna, Sweden.

Session seen as a significant step towards improving economic prospects for vast priority region including eastern Siberia.

Scientists say there is growing evidence that rising temperatures were catalyst for massive unexplained holes in ground.

A renaissance of one of Siberia's first outposts as the Far North becomes the new economic frontier.

New shipping link symbolises developing Arctic economy which can avoid eco-damage, says Putin.