Hong Kong’s low fertility rate is an opportunity rather than a challenge and gives the city a chance to become a global leader in building a child-friendly environment, a former UN resident coordinator in China has said.Siddharth Chatterjee, who held the role from 2021 until March this year, said Hong Kong could create a “pioneering blueprint” for others to follow if it could earn the status of a “Child Friendly City” under a UN initiative.While most developing countries and territories are...