Water usage in the city has risen 17 per cent per person over the past two decades. Photo: Felix Wong

Tapping into Hong Kong’s water wastage: how an app aims to expose the city’s global footprint

Usage in the city has risen an estimated 17 per cent per person over the past two decades

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Water usage in the city has risen 17 per cent per person over the past two decades. Photo: Felix Wong
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Ernest Kao

Ernest Kao

Ernest is a reporter at the SCMP. He mainly covers environment, energy, science and urban planning and development issues.