aerosols

In this video, David Tulis claims that a Stanford/NASA study on atmospheric aerosols, stating that they reduce wind speeds and rainfall, is related to geoengineering: http://www.ustream.tv/recorded/55333712/highlight/574597...

Has anyone seen the original source of this illustration. I can't bring up anything that isn't a chemtrailer source, but it looks like it came from a serious paper somewhere. I'm in a facebook conversation with a local about this. One thing I notice is that it only gives aerosols one dot for...