Jacobabad, an agricultural hub of 200,000 people in Sindh province, is the hottest city in Pakistan, and arguably the hottest on Earth. It has long been famous for its scorching summers: it is situated on the Tropic of Cancer, and warmed by humid winds coming up the Indus valley from the Arabian Sea. In Jacobabad, May and June frequently bring temperatures of over 50°C. And the 35°C wet bulb threshold has been crossed in July 1987, June 2005, June 2010, and July 2012. In May’s heatwave, Jacobabad recorded a WBT of 33.1°C.
“It’s a very, very difficult time when it goes beyond 50°C,” Abdul Baqi, a shopkeeper, told The Daily Telegraph. “People do not come out of their houses and the streets are deserted”. In the fields around the city,…