Guardian: Repeatedly in recent years there have been calls for a revival of nuclear power. Yet that renaissance never seems to come. Of the more than 200 countries in the world, only 30 use nuclear power. In July 2010, a total of 439 nuclear power plants with a net installed capacity of 373.038 gigawatts (GW) were connected to various national electricity grids, about 1.2GW more than at the beginning of 2006. Roughly 16% of total energy needs (up to 25% in the highly industrialised …