Pollution from the copper mine chosen to produce metal for the medals awarded at the 2012 London Olympics is responsible for up to 200 premature deaths each year, campaigners have claimed. Rio Tinto...will supply the metal…from its…mine in Salt Lake City, Utah. But protesters…travelled from Utah to attend Rio Tinto's AGM in London...Dr Brian Moench, of Utah Physicians for a Healthy Environment…: "We are all suffering the health consequences...The research shows the impact of air pollution on disrupting the integrity of the embryo in pregnant women and congenital deformities"…Rio Tinto...announced plans to expand the Salt Lake plant, increasing the county's air pollution by an estimated 12 per cent...Rio Tinto said its Utah mine extension would reduce emissions by 9 per cent…A smaller amount of the Olympic medal ores will be produced at another controversial Rio Tinto plant…in Mongolia…