One thing is for sure even within our remaining lifetime afforded to us we are going to experience significant and material adverse change.
Yes indeed. Deaths due to heat stroke in the over 60's have doubled in the last 20 years, and as each successive year becomes the hottest so far, the rate of doubling will increase very markedly. Once we get past regular 35C days then older folks are seriously at risk, once we get into the 40s it gets really bad.