11 Sep '11, 8am

Switching from coal to natural gas would do little for global climate « BraveNewClimate

Switching from coal to natural gas would do little for global climate « BraveNewClimate

Below is a media release describing a new paper (published in the journal Climatic Change ) by my colleague Dr. Tom Wigley (Adjunct Professor at the University of Adelaide) on the impact — expressed in terms of climate forcing — of a wholesale switch from coal to gas for electricity generation (i.e., a limit analysis). They key considerations to be modelled are the effects of methane leakage, the extraction method used to supply the gas (e.g., conventional versus shale gas), and the aerosol dimming effect of coal compared to gas (i.e., the story is more complicated than just the greenhouse gas forcing effects, especially on the decadal time scale). Some of you have already mentioned associated news stories on this paper in the latest Open Thread , but I thought it would be good to present the media release (largely written by Tom), and have a focused post for discussing th...

Full article: http://bravenewclimate.com/2011/09/11/switching-coal-to-g...

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