Consequences: During 1987-2016, natural disasters caused 971 deaths and 4370 injuries, with more than 50% due to heatwaves. Annual increases are projected for excess deaths, additional hospitalisations and ambulance callouts. Heatwave-related excess deaths in Melbourne, Sydney and Brisbane are projected to increase by about 300/year  to 600/year  during 2031-2080 relative to 142/year during 1971-2020, assuming no adaptation. Significant heat-related mortality of wildlife species  has been observed and is projected to increase. Hazards: Increased frequency, intensity and duration of extreme heat events
IPCC
Climate Change 2022: Impacts, Adaptation and Vulnerability
IPCC Report