Scientists at Imperial and the London School of Hygiene and Tropical Medicine used peer-reviewed techniques to calculate that about 2,300 people in 12 cities likely died from the heat in last week’s bout of high temperatures, with nearly two-thirds of them dying because of the extra degrees that climate change added to the natural summer warmth.

The rapid analysis by World Weather Attribution calculated that climate change might have tripled the death toll from the event.

We now have the ability to rapidly assess the impact of climate change after extreme weather events – a first of its kind analysis has shown that it nearly tripled the death toll from the most recent