Druzhok was rescued once but swam back to do his duty on the doorstep of the waterlogged house in Eastern Russia.
Almost 3 million hectares on fire, including Arctic, with fumes having hit area larger than European Union.
Exports overseas increase to highest levels in seven years but Russia still slips behind rivals as Asia turns to other countries for wood.
These extraordinary pictures give graphic new evidence of climate change.
Dark Ages man aged around 30 found in a medieval graveyard for unusually old people in the Russian Far East.