... Partnership, the Strategy for Clean Air and Energy Cooperation, theU.S China Oil and Gas Industry Forum, the Carbon Sequestration LeadershipForum, the International Partnership for a Hydrogen Economy, ... from010002000300040005000600070008000China's TentativeEstimates for 2004IEA Estimates for 2005MMTCO2e SF6PFCHFCN2OCH4CO2Figure 1. Comparison of Estimations of GHG Emissions in China for 2004 and 2005CRS-825 ( continued)countries ... United States are each responsible for about 17% of global GHG emissions. Uncertainties in the methods and dataunderlying the IEA estimates make it unsupportable, for now, to definitively rankwhich...