
This is not normal. An unprecedented red warning for extreme heat has been issued over large swathes of Britain, as London braces for its first 40C day.
We’ve grown used to the uncommon in the last few years. Lockdowns, empty streets and shuttered schools. But as a result of human-induced climate change, heatwaves such as these — generating temperatures never before seen on this island — will become more and more a feature of our lives.