Greenhouse Gas Emissions - Global Carbon Dioxide (CO2) (ppm) - since March 1958
Source: NOAA; Source: DoEnv, Table 27 - Monthly average measurements (average seasonal removed) of Global Carbon dioxide (CO2) concentration, SM;
Sources: National Oceanic and Atmospheric Administration (NOAA), U.S Department of Commerce
Theme: Climate Change, Air Quality, Greenhouse Gas Emissions
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