Mining in the developing world still sparks violent protests - so what has the industry learned?
Grace Livingstone reports from the Tintaya copper mine in Peru, owned by mining giant Glencore, where local people are angry over the pollution of waterways, and two protesters have been shot. Why do these things still happen? Vishala Sri-Pathma speaks to Henry Hall of mining consultants Critical Resource.
Plus, meet "Dr Copper" - the copper market's reputation as a bellwether for the global economy. But why is the market price falling at a time when the world continues to boom? We ask Charlie Durant of commodities analysts CRU Group.
(Picture: Miners take a break at the Cabeza de Negro copper mine in Peru; Credit: STR/AFP/Getty Images)