New rail bridge linking the two countries symbolizes closest-ever economic co-operation between neighbors.

Concern from scientists over potential danger to gas production facilities in region vital for energy supplies.

Agreement means Power of Siberia pipe could be delayed, it is claimed.

The Russian president pledges to open up exports of liquefied natural gas to meet Far East demand.

Total of 110,000 tonnes sent to Europe across the new Northern Sea Route.

Greenpeace is demanding the Russian government blocks a major Gazprom link to Shanghai across one of Siberia's most sacred wildernesses.

Pipeline will go through pristine Altai Mountains in supply route seen as economically vital by Kremlin.

First shipment leaves from Yamal Peninsula across the roof of the world as tankers head through the Northern Sea Route for first time.

After months of speculation, parliament and President rubber-stamp deal that will see gas sent to China.