Japanese companies consider investment in railway extension via islands of Sakhalin and Hokkaido.
Construction launched on 3,968 kilometre 'Power of Siberia' gas pipeline.
Experts still divided over mysterious 1,300-year-old fortress-like structure located on island in middle of lake.
Move defies hunters who want to keep shooting the black bear.
Tributes to the dead and prayers for the 34 injured including 27 students, acrobats with a Nefteyugansk sports club.
Toxic fuel from 21,000 ton leak reaches pristine lake, bypassing floating booms, as rivers of diesel pollution cover-up is exposed.
More flooding misery due to burst dam as experts say the cause is global warming.
Stranded on Teletskoye Lake in the Altai Mountains, bird's only hope of survival is to be caught and put in a zoo.
Lena Pillars, a World Heritage Site, hit by the rampant flames, as calls grow for greater efforts to tackle infernos.