The price of the rare earth metals the world buys from China | BBC News

China has a tight grip on the supply of rare earth minerals used in everyday products like smartphones and TV screens. But the BBC has discovered that Beijing's dominance of the market comes at a huge environmental cost. The BBC's Laura Bicker has travelled to two of the country's largest mining zones where polluted water and contaminated soils are the toxic legacies of mineral mining. Subscribe here: http://bit.ly/1rbfUog For more news, analysis and features visit: www.bbc.com/news #China #BBCNews