Sydney and Melbourne could regularly face 50 degree Celsius (122F) days within 25 years even if Australia meets its Paris global warming targets, a new study warned Wednesday.

Canada's rhetoric on climate change must be translated into action, the environment commissioner said Tuesday in a scathing report blaming years of inertia for leaving the nation vulnerable to climate damage.

Indigenous peoples could soon regain some control of their native forests with the creation of a new global institution dedicated to securing their land rights.

Parisians were encouraged to roller-blade, bike or stroll through the City of Light on Sunday for a "car-free" day intended to leave the streets vacant for slower, clean forms of transport.

Emissions of the greenhouse gas methane from livestock are larger than previously thought, posing an additional challenge in the fight to curb global warming, scientists said Friday.

A rumbling volcano on the holiday island of Bali is spewing steam and sulphurous fumes with more intensity, heightening fears of an eruption as officials said the number of evacuees had topped 144,000.

The mystery loss of Tasmanian tigers from mainland Australia was likely caused by climate change and not wild dogs or hunting by Aborigines, scientists said Thursday.

Sea ice cover in Antarctica dropped to a record low this year, scientists said Wednesday, as they warned the frozen continent's unpredictable nature poses growing risks to shipping including tourist cruises.

A massive humpback whale buried on a popular Australian beach after it washed up dead was being exhumed Monday because locals feared its rotting carcass was attracting sharks.

Western consumer giants are polluting oceans by selling products packaged in cheap, disposable plastic to Filipinos, Greenpeace has claimed -- naming Nestle, Unilever and Procter & Gamble among the worst offenders.