Tens of thousands rally across the country to demand PM Scott Morrison's conservative government cut back on fossil fuels, as deadly climate-fuelled bushfires burn out of control.
British charity Christian Aid says the disasters displaced millions and caused widespread deaths - seven of them caused damage of more than $10 billion.
A marathon UN climate summit wrapped up with little to show, squeezing compromises from countries over the global warming battle plan but falling well short of what science says is needed to tackle the emergency.
Awarded Time Magazine's Person of the Year for 2019 on Wednesday, Greta Thunberg accused leaders of turning the COP25 "into some kind of opportunity for countries to negotiate loopholes".
While climate performance varies greatly, a report finds that none of the countries surveyed were currently on a path compatible with the Paris climate goals.
The polar bears have been forced to the edge of northeastern village Ryrkaipy as unusually warm temperatures prevented coastal ice from forming, preventing them from their usual grounds.
The World Meteorological Organization said global temperatures so far this year were 1.1 degrees Celsius above the pre-industrial average between 1850-1900, making 2019 one of the top three warmest years ever recorded.
The UN Climate Change Conference COP25 aims to put the finishing touches to the rules governing the 2015 Paris accord.
The appeal by Inger Andersen, who heads the UN Environment Programme, and others came days before governments gather in Madrid for an annual climate change meeting.
"There is no sign of a slowdown, let alone a decline, in the concentration of greenhouse gases in the atmosphere, despite all the commitments under the Paris Agreement on Climate Change," WMO Secretary-General Petteri Taalas, said.
Extinction Rebellion organise a floating mock-up of a typical English home in River Thames, in a protest to demand politicians act on climate crisis.
With the new Zero Carbon bill, the country aims to reduce all greenhouse gases except methane to net-zero by 2050.
Subscribe to our Youtube channel for all latest in-depth, on the ground reporting from around the world.
Copyright © 2020 TRT World.