Press Trust of India: South Korea is ranked ninth worldwide in the amount of carbon dioxide (CO2) gas released into the atmosphere in 2007, a government report has said. The report citing findings by the International Energy Agency (IEA) that showed the country’s ranking unchanged from 2006 and standing in sixth place among Organization for Economic Cooperation and Development (OECD) members, the Ministry of Knowledge Economy said. China is ranked at the top of the list, followed by the United …