So often these giant conurbations and the challenges they pose to inhabitants, city-planners, businesses, politicians and more, are discussed in pejorative terms. On ‘The World Ahead’ we’re interested in hearing from people whose insights and experience show that bold decisions can make a...

In the latest instalment of our special documentary series, which seeks to answer some of the toughest questions that are confronting the world today, we focus on the issue of ageing populations.