An employee in protective clothing prepares to x-ray a dummy grenade during a demonstration in a chemical weapons disposal facility in Munster, Germany, on October 30, 2013. AFP / PHILIPP GUELLAND
About 80 per cent of the world's chemical weapons have been destroyed, and now under a Russia-US brokered deal, Syria must propose how it will dispose of its chemical arsenal by mid-2014. At the same time, the US and Russia have failed to meet deadlines in neutralising their own chemical stockpiles. Just how challenging is it to get rid of chemical weapons, and what stands in the way of a world free of them?