Carbon dioxide, a colourless, odourless and non-flammable gas. CO2 emissions occur from the combustion of fossil fuels. CO2 is a primary greenhouse gas
International Association of Oil & Gas Producers OGP, Environmental Performance in the E&P industry (Exploration and Production - of Hydrocarbons), 2009 data, Report No. 442, London, UK 2009. http://www.ogp.org.uk/pubs/442.pdf, (Explor and Prod of Hydrocarbons - Brit) {769}