Estimated historical emissions vs future IPCC scenarios--how ... on Twitpic

Michael Tobis discusses poor media coverage of the highest annual emissions of greenhouses gas ever. He asks why can't the media explain using some good charts?

Here's a chart comparing actual emissions of carbon with various predictions from the IPCC Fourth Assessment Report of 2007.



Estimated historical emissions vs future IPCC scenarios. Provided by Katharine Hayhoe via Twitpic.

The quality is pretty bad though. Try this. From Johns Cook's Skeptical Science website.

Figure 1: IEA global human CO2 annual emissions from fossil fuels estimates vs. IPCC SRES scenario projections.  The IPCC Scenarios are based on observed CO2 emissions until 2000, at which point the projections take effect.

Skeptical Science discuss this issue in the post IEA CO2 Emissions Update 2010 - Bad News