A new simulation created by scientists at NASA's Goddard Space Flight Center in Greenbelt, Md., reveals just how far around the globe such aerosol particles can fly on the wind. (sciencenews.org)
Given the significant role such aerosols played in the 40's, 50's, 60's from U.S. and European emissions (prior to serious scrubbers), and that the scale in China / India right now is significantly larger, why wouldn't this aerosol screening (global dimming) be an issue? (realclimate.org)