Offshoring CO2 emissions

Map show the largest interregional fluxes of emissions embodied in trade (Mt CO2 y−1) from dominant net exporting countries (blue) to the dominant net importing countries (red) as of the year 2004. Fluxes to and from Western Europe are aggregated to include the United Kingdom, France, Germany, Switzerland, Italy, Spain, Luxembourg, The Netherlands, and Sweden.  From Davis and Caldeira (PNAS 2010)