The Monash University report said extreme heat and weather events would have a growing impact on sport in Australia.
The US president slammed a sea wall proposal for New York while planning an ocean barrier for his Irish golf resort amid global warming.
These pictures show the sheer scale of the unprecedented crisis, as flames and smoke continue to choke parts of the nation.
Australians demanded greater government action on climate change while condemning Prime Minister Scott Morrison.
I never imagined myself in this situation, but somehow what we were doing felt right.
"It’s not about Meatloaf," the young climate activist tweeted. "It's not about me. ... It's all about scientific facts."
Wildfires burned around the world this year from Australia to California and the Amazon. These forest blazes are part of nature but climate change is making them more frequent and more intense.
Greta Thunberg spoke to David Attenborough for the first time over Skype to talk about the climate change crisis and how they are each other's inspiration.
The Prime Minister returned to Australia over the weekend after two firefighters lost their lives.
Hundreds gathered outside the Australian Prime Minister's Kirribilli residence while he holidays overseas amid NSW heatwave.