The link above concerns a book to be published in a few months, cover below. It's worth remembering that elderly building occupants in many cities rely on
air conditioning to a degree that their health is compromised
in its absence. But the problem is that the consequences of the coronavirus economic recession will be so bad that will make air conditioning a luxury that only a few will be able to afford. And since heatwaves will become much worse in the future and will also be aggravated by urban heat island effects then the study and development of cooling materials will become a "hot" research field.
