"We have a long way to go."
Skies as far away as over central Chile have now gone grey and the sunset in Buenos Aires has turned red.
Knitting needles are clicking furiously around the world to create protective pouches and blankets for wildlife made homeless by Australian wildfires.
Queen Elizabeth joined grandsons William and Harry on Saturday in expressing shock at the bushfires ravaging Australia.
A state of disaster has been declared for the first time ever.
Wine industry representatives say a third of wine production has been wiped out with damage set to exceed $100 million.
Marise Payne said Chinese-born Australian writer Yang Hengjun was being held by Beijing in “unacceptable” conditions.
"We're seeing lots of lightning - in places we really don't need it," said the NSW Rural Fire Service.
More than 100 schools have been closed and residents in high risk regions are poised to evacuate.
Extreme floods in Venice, fires in Australia and even an outbreak of plague in China have been attributed to climate change this week.