This was our lab's first attempt to incorporate the indirect effects of aerosols in a climate model. (gfdl.noaa.gov)
In relatively clean environments, clouds can only grow as large as the amount of aerosols in the atmosphere allows: They will be the limiting factor in cloud formation. (sciencedaily.com)
I consider the most significant — but largely overlooked — revelation to be the substantial reduction since AR4 in estimates of aerosol forcing and uncertainty therein. (bishop-hill.net)