Using this graphic and referring to it is encouraged, and please use it in presentations, web pages, newspapers, blogs and reports.
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IPCC Fourth Assessment Report, Working Group III Report: Mitigation of Climate Change; 2007 (figure adapted from Olivier et al., 2005; 2006; Hooijer et al., 2006).
Uploaded on Thursday 16 Feb 2012
Emissions by gas
Thousand million tonnes of CO2 equivalent per year