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

Following a devastating heatwave in 2003 that killed 15,000, France has adopted four alert levels to help people cope with extreme temperatures Helen Massy-Beresford is a British journalist and editor who lives in Paris Over the weekend, as evening fell on the hilly (and, crucially, shady) Parc des Buttes-Chaumont, one of Paris’s most popular green spaces, the joyfully chaotic Fête de la musique – a summer solstice celebration of music in all its forms – got under way, with competing DJs st...

By Helen Massy-Beresford