World's population to hit seven billion

As the United Nations ticks the population clock over to an estimated seven billion people, SBS takes a look at how the world's booming population will affect its inhabitants.

It's a scary thought for some, but others believe it's a timely opportunity to reflect on the way we use natural resources, while also planning for future growth in our cities and providing better health in developing areas.

PJ Madam takes a look at the issue from a worldwide perspective.