More than four million people live in the world’s rubbish dumps, eking out a living from the waste of society. More than half of these are children, victims of profound social injustice, poverty and neglect.
We travel to Paris, Delhi, Ghana and Colombia to chart this global phenomenon. Ali, 16, has been working in India’s rubbish dumps since he was seven. He works all day, every day, collecting empty bottles for $50 a month. Meanwhile, in Africa, a thriving recycling industry has developed.