pdf version The aim of the NanoWater conference is to examine how nanotechnology can help address the issues facing the world's water supplies. According to Unesco, although 70 percent of the world's surface is covered by water, only a fraction of that - 2.5 percent - is freshwater, of which 70 per cent is frozen in ice caps. The remainder is present as soil moisture. This … [Read more...] about NanoWater, September 2004