Hong Kong is getting hotter. The city has just sweated through a summer that was, in the words of its government forecaster, “much hotter than usual,” after experiencing its hottest summer on record last year. The Hong Kong Observatory has been conducting meteorological observations since 1884, except for a period during World War Two from 1940 to 1946. Over the decades, the city’s hot and humid summers have only become more uncomfortable – particularly for the most vulnerable residents, including outdoor workers, the elderly, and those living in substandard accommodation. Rising temperatures …