Keywords: Atmospheric carbon dioxide concentrations and global annual average temperatures (in C) over the years 1880 to 2009.svg en The original image has been edited in Inkscape to convert the temperature units to Celcius 2016-09-17 https //commons wikimedia org/wiki/File 3AAtmospheric_carbon_dioxide_concentrations_and_global_annual_average_temperatures_over_the_years_1880_to_2009 svg By The source for the diagram given in the report is NOAA/NCDC The editors of the report were Thomas R Karl Jerry M Melillo and Thomas C Peterson Public domain via Wikimedia Commons other versions cc-zero Global warming graphs |