Population growth and climate change explained by Hans Rosling

Let me show you the world, says Swedish academic Hans Rosling as he demonstrates the dynamics of population growth, child mortality and carbon dioxide emissions. The challenge for the world is to get everyone out of extreme poverty and get the richest people to use less fossil fuels so that everyone can share their energy levels, he says.

Claire Provost of The Guardian interviewed Hans Rosling about his use of and insights on global statistics.