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CO2 Emissions vs IPCC Scenarios
International Energy Agency (IEA) fossil fuel CO2 emissions data (black) compared to IPCC Emissions Scenarios (colors). The IPCC Scenarios are based on observed CO2 emissions until 2000, at which point the projections take effect. We are approximately on track with Scenario A2 from the IPCC Special Report on Emissions Scenarios (SRES). Data sources: IEA CO2 emissions up to 2008 (2009 is 29 Gt, 2010 is 30.6 Gt); IPCC SRES data (Excel spreadsheet).
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