There is ample evidence of health loss due to extreme weather in Australia and New Zealand, and rising temperatures, changing rainfall patterns and increasing fire weather have been attributed to anthropogenic climate change . Extreme heat leads to excess deaths and increased rates of many illnesses . Between 1991 and 2011 it is estimated that 35-36% of heat-related mortality in Brisbane, Sydney and Melbourne was attributable to climate change, amounting to about 106 deaths a year on average over the study period . Exposure to high temperatures at work is common in Australia, and the health consequences may include more accidents, acute heat stroke and chronic disease . Long-term rise in temperatures is changing the balance of summer and winter mortality in Australia . The Black Summer wildfires in Australia in 2019/2020  caused 33 deaths directly  and exposed millions of people to heavy particulate pollution . In the Australian states most heavily affected by the fires, 417 deaths, 3151 hospital admissions for cardiovascular or respiratory conditions and about 1300 emergency department presentations for asthma are attributed to wildfire smoke exposure . Immediate smoke-related health costs from the 2019-2020 fires are estimated at AUD$1.95 billion .
IPCC
Climate Change 2022: Impacts, Adaptation and Vulnerability
IPCC Report