World now sees twice as many days over 50C - BBC News
- 🎬 Video
- ℹ️ Description
They also now happen in more areas of the world than before.
The total number of days above 50C (122F) has increased in each decade since 1980.
"The increase can be 100% attributed to the burning of fossil fuels," says Dr Friederike Otto, associate director of the Environmental Change Institute at the University of Oxford.
BBC Life at 50C investigates how extreme heat is affecting lives across the world.