Each year, human beings release an increasing amount of carbon dioxide (C02) into the atmosphere; at present, around 40 billion tons per annum. According to NASA’s Earth Observatory, 8.4 billion tons are attributed to the burning of fossil fuels; primarily coal, gas and oil. The European Commission and Netherlands Environmental Assessment Agency lists the most polluting countries (including the EU as a whole and each of its member states). They are China, the US, the EU, India, Russia, Japan, Germany, Canada and Brazil. More
Source: How Much Do Humans Pollute? A Breakdown of Industrial, Vehicular and Household C02 Emissions