People living in squalid and poorly ventilated subdivided flats will suffer the most as Hong Kong summers become significantly hotter, a former director of the Observatory has warned.
Lam Chiu-ying said there had been more “warm nights” – when the minimum temperature reaches at least 28 degrees Celsius – over the past few decades as the city became more built up and buildings got taller.
Up until the 1960s, for example, there were fewer than five such warm nights a year...
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