The World Bank announced Wednesday its latest venture designed to help clean up the noxious air pollution belched out by China's coal-fuelled homes and factories. The bank's private-sector arm, the International Finance Corporation (IFC), said it was investing up to 50 million dollars in China's Xinao Group to aid the conversion of coal into an environmentally friendly fuel...Over one billion Chinese suffer from harmful emissions due to the burning of solid fuels in their homes.