Posted 21 March 2015

"Over at Climate Audit, Nic Lewis reports on the publication of a very important paper in Journal of ClimateBjorn Stevens has created a new estimate of the cooling effects of pollution ("aerosols") on the climate. Readers will no doubt recall that to the extent that aerosol cooling is small the warming effect of carbon dioxide must also be small so that the two cancel out to match the observed temperature record. Only if aerosol cooling is large can the effect of carbon dioxide be large." Andrew Montford reports at Bishop Hill*. 

Read summary here  

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