The bushfires that scorched vast tracts of Australia in late 2019 and early 2020 were just a glimpse of what’s to come as global temperatures rise, a landmark report made public on Friday warned. The Royal Commission into National Natural Disaster Arrangements, which was commissioned by the Australian government, says that global warming over the next 20 to 30 years is inevitable, and Australia must adapt to further changes to the climate. “Australia will have more hot days and fewer cool days.