David Azevedo died because of the heat. A construction worker living in a small city in central France, he had recently started a new job when a heatwave struck in the summer of 2022. He would not even see out his first week.

The journalist Samira Shackle interviews his sister Anne-Marie about what happened, and how her family have feared every heatwave since.

And as the environment writer Jeff Goodell explains to Michael Safi, we live in societies poorly adapted to the climate we have created, from the hours we work, to the food we grow and the cities we build.

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