Pedestrians cover their mouths on the street in Causeway Bay in Hong Kong. Roadside Air Quality Health Index hit unhealthy levels when a typhoon swirled near the congested territory. Photo: Felix Wong
Opinion
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Concrete Analysis
Expanding pedestrian zones can solve Hong Kong’s congestion and air pollution problems
Pedestrians cover their mouths on the street in Causeway Bay in Hong Kong. Roadside Air Quality Health Index hit unhealthy levels when a typhoon swirled near the congested territory. Photo: Felix Wong