Pipeline will go through pristine Altai Mountains in supply route seen as economically vital by Kremlin.
Huge new Siberian gas deal with China - but ecological backlash begins
Why do flamingos fly to Siberia risking death from the winter cold?
Last western Siberian crane clocks up 78,000 km with latest migrate south
Washing is definitely woman's work in Siberia
State or emergency in Siberia's largest permafrost region - due to wildfires
Siberia is known for its winter cold: will it soon be as famous for its summer floods?
Dramatic floods hit Siberia with fears of worse to come
Siberia is warming faster than anywhere in the world, warns top Russian geophysicist
State of emergency declared over wildfires in Irkutsk region
Forest fires arrive early as Siberia sees record high temperatures
Winter comes to southern Siberia - but will it last?
Spotted - two snow leopard cubs in the Altai Mountains captured on camera
Zany weather in Siberia confuses bears, ostriches... and weather experts
Polar bear picnic puts remote Chukotka village under siege
Baikal pressure group must register as 'Foreign Agent', court rules
Giant Great Grey Owl hitches a lift on epic 5,700 mile journey to Moscow after injuring itself hunting.
Winter comes to summer including freak hailstorms, mega-flooding but also wild fires.
Problems may not be over yet, warn meteorologists, as police are on high alert in 14 areas.
The Amur cubs were specially trained to cope after being raised in Zhelundinsky Nature Reserve.
Expedition finds shocking evidence of illegal hunting of Russian Red Book animals.
Dmitry Vasiukov, famed for his documentary 'Happy People: Yenisei', shown in Russia in 2008, is ready for his next epic journey.