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

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

Fresh blood discovery by scientists in remains of extinct creature as experts start research this month in hunt for live cells.

Discovery of blood in creature frozen for 43,000 years is seen as major breakthrough by international team.

International team of scientists complete major DNA study of extinct beast and fuel hopes of producing clone to live in special park.

I was sitting 3-to-4 metres away from the cubs waiting to see what would happen next. The mother returned back later and fed the cubs.

And take part in scientific experiment to PROVE that the leaking of harmful greenhouse gases in the Arctic can be slowed.

Worried about the rapid destruction of permafrost from global warming? Here's how you can counter it by restoring the woolly mammoth habitat.