Arctic clean up

A major new Arctic clean-up expedition is poised to start work getting rid of junk and pollution blighting this vast region.

New shipping link symbolises developing Arctic economy which can avoid eco-damage, says Putin.

Map of shame: Greenpeace highlights junk and debris in dozens of sites across the 'pristine' environment.

One region alone - Yakutia - has 5 million tons scrap metal dumped in polar regions, an ugly Soviet legacy.

In fact, the 'rain’ turning all cars red in a Norilsk parking lot is a sign that pollution IS finally being tackled.

Macabre remains of six slaughtered polar bears, 'beheaded with their skins removed', now under criminal investigation.

Both Greenpeace and the World Wildlife Fund are expressing grave concern at the risk of contamination in the Pechora Sea.

Russian ecologist says his undercover trip shows Arctic ecosystem is irreversibly damaged, as whistleblower in ecological watchdog quits and leaves town.

Bulging bumps in the Yamal and Gydan peninsulas believed to be caused by thawing permafrost releasing methane.

Image of 'polluted red river' caused shock but Nornickel stresses it is committed to cleaning up environment, and there will be no repeat.