CHOCOLATE is regarded as a treat, a sweet luxury often given as a gift. But that is only part of its story. The rest is more sinister. Two hundred years after the British Empire abolished the slave trade, nearly half the world's chocolate is made from cocoa grown in Ivory Coast, West Africa, where tens of thousands of children are forced to work on plantations as slaves.

A 2002 study estimated that at least 284,000 children were trapped in forced labour in the West African cocoa industry, the majority of these — some 200,000 — were to be found in Ivory Coast. Even the most conservative estimates, including those by the chocolate companies themselves, concede that the number of chocolate slaves is at least 12,000.

These children are forced to apply pesticides without protective clothing and to work for up to 12 hours a day on the plantations for little or no pay. Their toil helps the giant chocolate makers produce the chocolate we find on the shelves of our stores.