This year saw the world experience recordbreaking heat, with the hottest day in history recorded on 22 July. The additional 41 days of dangerous heat – defined as temperatures in the top 10 per cent of the 1991-2020 baseline – exposed many millions of people to conditions that threaten human health, particularly in vulnerable regions.

A new report published by Climate Central and World Weather Attribution looked at the last year in weather, which included everything from droughts, wildfi