Drivers of climate change. 0ne, methane emissions, which are powerful greenhouse gases, and one which they are trying to address. last year, china said it was setting a target but has not said that number, which is expected to be on the agenda. the second issue which will be more challenging is the continuing efforts in china to build energy security by relying on coal, the most polluting of sources. thinking on how they can accelerate by phasing out emissions will be important. by phasing out emissions will be im ortant. ~ ., ., by phasing out emissions will be imortant. ~ ., ., i. ~ by phasi...