Figure 1: Atmospheric Carbon Dioxide Concentration, 1700-Present
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| License | United States Government Work |
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| Date uploaded | 2014-10-17 |
| Tags | gao, governmentaccountabilityoffice, usgovernmentaccountabilityoffice, usgao, unitedstatesgovernmentaccountabilityoffice, government, congress, watchdog, oversight, governmentwatchdog, gao14736, epa, environmentalprotectionagency, foaram, federaloceanacidificationresearchandmonitoringactof2009, nasa, nationalaeronauticsandspaceadministration, noaa, nationaloceanicandatmosphericadministration, co2, atmosphere, atmospheric, ocean, acid, acidification, maunaloa, carbondioxide, 1958 |
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