Damage from wave of floods already labelled 'catastrophic' with worse to come as Russian president Vladimir Putin demands: 'Put people first'.
Crew of Siberian UTair plane tell of 'confusion and silence' from air traffic controllers at key moment.
Rescuers vow to find helicopter that vanished in strong winds on 10 October.
Predators seek food in villages all around Siberia as climate expert warns of worse fires each year due to soaring rise in temperatures, 10C above average.
No danger of radiation in the Russian Far East from blaze caused by welding accident, insist experts.
Southern Siberia hit by punishing flames causing death and destruction.
Dozens of major tremors recorded this year as scientists monitor 'unusually strong seismic activity' that will one day tear continent in half.
Environmentalists call for World Bank to halt funding for projects that could alter flow of rivers leading into lake with water nearing critical low.
At least 30,000 homes are hit by flooding in Amur region, with Vladimir Putin ordering more emergency aid to stricken people.
An investigation is underway in Tyva region over thousands of people being left without heating in temperatures of minus 40C.