Prime minister raises the issue on sidelines of the Asia-Europe Meeting (ASEM) in Ulaanbaatar.
Irkutsk photographer captures multi-layered columns of bubbles through crystal clear ice.
Fresh water supply crisis looms in parts of Siberia as critics accuse hydroelectric firm of 'excessive drainage' from lake.
Roe deer somehow wandered onto a frozen lake but couldn't get off again.
Scientist warns of 'environmental disaster' due to 'irreversible' pollution in world's deepest and oldest lake.
They dived into rivers and lakes to celebrate the Orthodox Christian holiday of Epiphany.
Siberian scientists make discovery of 2,500 year old Saka settlement in up to 23 metres of water in Kyrgyzstan.
The famously clear waters of Baikal - the world's deepest and oldest lake - are under threat from tourists, says leading scientist Maxim Timofeyev.
Named in the Stalin era after the American novelist, journalist, and social activist, enjoy the stunning nature of this remote paradise in Magadan region.
Former Ukraine president's son Viktor reportedly drowned when his vehicle plunged through the ice.