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Figure 1: Atmospheric Carbon Dioxide Concentration, 1700-Present
- Uploaded by: U.S. Government Accountability Office
- 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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