Paris in ‘heatwave mode’ has banned alcohol at some public events. Can other cities follow its lead? | Helen Massy-Beresford (opens in new tab)

Following a devastating heatwave in 2003 that killed 15,000, France has adopted four alert levels to help people cope with extreme temperaturesHelen Massy-Beresford is a British journalist and editor who lives in ParisOver the weekend, as evening fell on the hilly (and, crucially, shady) , one of Paris’s most popular green spaces, the joyfully chaotic – a summer solstice celebration of music in all its forms – got under way, with competing DJs starting their sets in nearby cafes.It was stifli...