During the opening ceremony of Ride to Shine Hong Kong this month, Secretary for Culture, Sports and Tourism Rosanna Law Shuk-pui challenged Hongkongers to cycle more than 1.2 million km – a distance equivalent to circling the Earth 30 times – to commemorate Hong Kong’s 30th anniversary of returning to China next year. Cycling is more than a trend and worth developing. Since the invention of the bicycle, it has been the most energy-efficient form of human-powered transport – including running or...