Global warming already responsible for one in three heat-related deaths.
'Between 1991 and 2018, more than a third of all deaths in which heat played a role were attributable to human-induced global warming...'
(London School of Hygiene & Tropical Medicine) >

https://www.lshtm.ac.uk/newsevents/news/2021/global-warming-already-responsible-one-three-heat-related-deaths