A new $53m BRT (bus rapid transit) system has the power to reduce Hanoi’s dreadful air pollution. Persuading residents of Vietnam’s rapidly expanding capital to ditch their motorbikes and private cars, however, will be another story
The swarm of motorbikes and cars is the main cause of Hanoi’s air pollution. Photograph: Linh Pham/Getty Images
From his high-rise office building in Hanoi, Tran Dung can barely see his city’s skyline behind the thick layer of smog. Before leaving work, the 25-year-old executive assistant checks the pollution reading on his AirVisual app, which provides real-time measurements of PM2.5 – the tiny particles found in smog that can damage your throat and lungs.