As Hong Kong faces more heatwaves, what must be done to make the city more resilient?

Yung, an elderly Hong Kong resident, has spent hours hanging out at a neighbourhood shopping centre in Kwai Chung all summer. But he has not been going there to shop, instead taking refuge from the sweltering heat in the mall’s soothing air-conditioned arcade. The retiree, who lives in a 100 sq ft subdivided flat with his wife, is reluctant to use the air conditioner for long periods to avoid a he