US National Weather Service claims smoke haze from deadly inferno has crossed the Pacific.
But is climate change to blame, or local officials who went on vacation instead of fighting fires?
The rare Amur tigress was saved from starvation more than a year ago after she was orphaned when poachers killed her mother.
Is global warming the real cause of the raging wildfires sweeping this Siberian republic?
Premier Dmitry Medvedev launches inquiry into the tragedy which leaves almost 600 injured.
Hundreds - including dozens of children - evacuated safely as fires destroy and threaten homes.
Does a spooky event in New England 238 years ago hold the clue to the eerie blackness that descended one week ago in Siberia?
Worrying videos and pictures show how the pristine polar region of northern Yakutia is ablaze.
Pro-Kremlin eco-groups echo Greenpeace concerns by highlighting burning of forests which do not appear in government reports.