Australia's two biggest cities could swelter through 50C days within a few decades, a study has found.
Sydney and Melbourne are likely to endure such summers even if global warming is contained to the Paris accord limit of a 2C rise above pre-industrial levels, scientists said.
An Australian-first high speed rail network connecting major cities Melbourne, Canberra and Sydney is a step closer to becoming a reality on Thursday, as private company Consolidated Land and Rail Australia (CLARA) Pty Ltd. prepares to submit an ambitious proposal to the government.
The Australian city of Melbourne is bracing for its hottest December day in five years, with the mercury tipped to climb as high as 40 degrees Celsius at the weekend, heightening fears of a more damaging bushfires.