Climate sceptics tell us that more people die of extreme cold than extreme heat. What’s the truth? Climate sceptics tell us that more people die of extreme cold than extreme heat. What’s the truth? I began by trying to discover whether or not a widespread belief was true. In doing so, I tripped across something even bigger: an index of the world’s indifference. I already knew that by burning fossil fuels, gorging on meat and dairy , and failing to make even simple changes, the rich world