Heatwaves are becoming more frequent, more intense and more deadly. But what is a heatwave, why are they so dangerous and how are they affected by climate change?

00:00 - What are heatwaves?
01:40 - How do heatwaves form?
05:28 - How heatwaves kill
08:40 - How to prepare for heatwaves
10:17 - What is the impact of climate change?

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Can Kolkata’s street life survive India’s record-breaking heatwaves? https://econ.st/3BufiFh

How to predict record-shattering weather events: https://econ.st/3Og1juG

Cell block hot: how prisoners are facing rising temperatures: https://econ.st/3Ol0QY9

Heatwaves and floods around the world may be a taste of years to come: https://econ.st/3IhJzLz

Heatwaves kill more Americans than hurricanes, tornadoes and floods: https://econ.st/3MxdHoM

In art, as in life, boundaries blur when a heatwave strikes: https://econ.st/457QgcC

A changing climate is bad news for a continent that doesn’t like change: https://econ.st/3Myima3

July’s heatwave may have killed thousands of Britons: https://econ.st/44ZcJc5

A rising share of people are exposed to dangerously high temperatures: https://econ.st/3MvKBWy

Our hottest hour: sweat, toil, tears and more sweat: https://econ.st/3W7HmYy

The increase in simultaneous heatwaves: https://econ.st/3IfYpSI

Some don’t like it hot: melting roads, raging wildfires and an energy crunch: https://econ.st/3MukorE

Heat and humidity are putting millions of Indians in peril: https://econ.st/41BQsy4

How can India cope with heatwaves?: https://econ.st/3o0HlcC

Parts of Antarctica have been 40°C warmer than their March average: https://econ.st/42GSKNK

Debate over air conditioning in American prisons will heat up: https://econ.st/3W8w9Hi

Watch the first episode in our ‘Weather Essentials’ series: https://econ.st/40OkEW6

Watch the second episode in our ‘Weather Essentials’ series: https://econ.st/3ByYld3