Travel for the first time by train to Russia's diamond capital, the coldest city in the world!
Toxic fuel from 21,000 ton leak reaches pristine lake, bypassing floating booms, as rivers of diesel pollution cover-up is exposed.
One region alone - Yakutia - has 5 million tons scrap metal dumped in polar regions, an ugly Soviet legacy.
The Russian president tells the Security Council this is a key priority for 'clear and principled decisions'.
230 wildfires rage in Russia’s coldest republic of Yakutia, with state of emergency declared in Krasnoyarsk and Irkutsk regions.
Map of shame: Greenpeace highlights junk and debris in dozens of sites across the 'pristine' environment.
The Russian president tells the Security Council this is a key priority for 'clear and principled decisions'.
Two Chinese companies compete to build a permafrost crossing of the Lena River.