The aim? To put in place a Moscow government 'friendly' to Washington, and to protect US interests and citizens.
After 1,907 kilometre odyssey, crossbreed is back home to his day job keeping polar bears at bay in remote weather station.
Map of shame: Greenpeace highlights junk and debris in dozens of sites across the 'pristine' environment.
Biggest and 'best' in Russia, it is more like a 'reserve' than a traditional zoo.
Challenge to polar doom warning from respected international expert Professor Peter Wadhams of Cambridge University.
Its residents will live in a vast man-made 'igloo' to protect them from polar temperatures and some of the most biting winds on the planet.
‘Taiga burning’ - as scared bears are driven out of their natural habitat towards settlements where they are shot as danger to people.
One region alone - Yakutia - has 5 million tons scrap metal dumped in polar regions, an ugly Soviet legacy.
Scientist thought he had stumbled upon an unusual stone, only for tests to show he had unearthed major dinosaur find.
The Russian president took part in the 'Flight of Hope', giving a flying lesson to young white cranes ahead of their epic 5,000 km migration.