► Subscribe to the Financial Times on YouTube: http://bit.ly/FTimeSubs<br /><br />According to some measures, Hong Kong has the second worst air quality in China. It's a problem the city must address if it wants to maintain its position as Asia's leading international city, especially with Singapore offering a more pleasant environment and Shanghai's rise to prominence. The FT's Tom Griggs investigates.<br /><br />► FT World News: http://bit.ly/1Exp0iJ<br /><br />► FT Business: http://bit.ly/1KUK08s<br /><br />For more video content from the Financial Times, visit http://www.FT.com/video<br /><br />Twitter https://twitter.com/ftvideo<br />Facebook https://www.facebook.com/financialtimes
