Russian officials refused to allow the vessel to enter the Northern Sea Route which Greenpeace dubbed 'a thinly veiled attempt to stifle peaceful protest'.
Hi-tech project would use computer models to predict climate change and help with safe production of oil and gas in Northern Russia.
Russian president's flight to Salekhard delayed after airport closed by freezing rain.
Six campaigners staged a dramatic pre-dawn raid on Gazprom early today, clambering onto the company's floating production base in the Pechora Sea.
International researchers have gleaned these extraordinary hidden scientific secrets by drilling 318 metres into a unique lake in northeastern Siberia.
Warning of methane blasts in Kara Sea adjacent to Yamal craters caused by gas eruptions associated with melting permafrost due to global warming.
Analysts say opening of LNG facility in Queensland with exports to China could affect Yamal as Pacific countries look to take on Russia in Asia.
Putin hails 'pragmatism and common sense' as he launches US-Russian oil project in Kara Sea, which has Saudi-scale potential.