«This is one study where I am not eager to have our predictions proven right by a global stratospheric aerosol layer in the real world.» (sciencedaily.com)
Recent measurements demonstrate that the «background» stratospheric aerosol layer is persistently variable rather than constant, even in the absence of major volcanic eruptions. (science.sciencemag.org)
The Persistently Variable «Background» Stratospheric Aerosol Layer and Global Climate Change (science.sciencemag.org)