大象传媒

Like many other countries and cities, Hong Kong is struggling to get rid of the huge amount of food waste it generates, and has come up with a number of schemes including fining diners for unfinished food.

Also on the programme: Big Brother is watching you - the show looks at the proliferation of vigilante websites monitoring antisocial behaviour. How Japanese media immersion pods are giving the workers the freedom to nap, read manga or play games.