Russian officials refused to allow the vessel to enter the Northern Sea Route which Greenpeace dubbed 'a thinly veiled attempt to stifle peaceful protest'.
First shipment leaves from Yamal Peninsula across the roof of the world as tankers head through the Northern Sea Route for first time.
Russian foreign minister Sergei Lavrov and US secretary of state John Kerry will attend the May 14-15 Arctic Council in Kiruna, Sweden.
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.
Both Greenpeace and the World Wildlife Fund are expressing grave concern at the risk of contamination in the Pechora Sea.
Despite appearances, there is no city anywhere near this oil and gas facility in the Arctic.
Total of 110,000 tonnes sent to Europe across the new Northern Sea Route.