"Figure 22.1: Greenhouse gas emissions (1,2,3,4) million tonnes carbon dioxide equivalent, 1990 to 2014","" "United Kingdom (2)","" "","" "Notes","1. 2014 data are provisional 2. Geography also includes the Crown Dependencies of Jersey, Guernsey, and the Isle of Man 3. The entire time series is revised each year to take account of methodological improvements in the UK emissions inventory 4. Emissions are presented as carbon dioxide equivalent in line with international reporting and carbon trading. To convert carbon dioxide into carbon equivalents, divide figures by 44/12" "Unit","Million tonnes carbon dioxide equivalent" "","" "Year","Greenhouse Gas Emissions","Carbon Dioxide Emissions" "1990","809","598" "1991","818","606" "1992","797","590" "1993","777","575" "1994","766","570" "1995","761","562" "1996","782","583" "1997","757","558" "1998","754","561" "1999","723","553" "2000","723","559" "2001","725","568" "2002","704","550" "2003","711","561" "2004","706","561" "2005","697","558" "2006","690","556" "2007","677","547" "2008","657","533" "2009","599","482" "2010","613","501" "2011","566","458" "2012","582","476" "2013","568","467" "2014 (p)","520","422"