Radiation, chemical and biological forces tackle two million tonnes of toxic chemical waste with huge mercury stockpile and oil poisons.
Zany weather in Siberia confuses bears, ostriches... and weather experts
Polar bear picnic puts remote Chukotka village under siege
Baikal pressure group must register as 'Foreign Agent', court rules
Expedition leaves to monitor nuclear pollution on Novaya Zemlya
Paper mill 'polluting' Lake Baikal finally closes, but at a human cost
What a difference a year makes! Space image shows the devastating impact of flooding
Concern as 10 dead grey whales found on the coastline of Chukotka
Humanitarian aid for flood victims comes 'from the heart' from Russia and abroad
Siege humour as locals rename their flooded city Komsomolsk-in-Amur with worst still to come
Flooding in the Far East of Russia reaches its most dangerous moment from swollen rivers
Toxic fuel from 21,000 ton leak reaches pristine lake, bypassing floating booms, as rivers of diesel pollution cover-up is exposed.
Immediate public audit of a high risk waste storage in Russia is urged.
Ecologists from several countries lost battle to poachers who caught an endangered dark-feathered bird.
Pictures prove the gruesome fate of reindeer 'to meet demands for traditional medicines in China and South Korea'.
Vital for making its waters so 'pure', one theory is that rising underwater methane leaks are killing off the sponge, but is there a silver lining?
One region alone - Yakutia - has 5 million tons scrap metal dumped in polar regions, an ugly Soviet legacy.