Science
Stratospheric aerosols and their impact on Sahelian rainfall <img src="http://cdn.physorg.com/newman/gfx/news/tmb/2013/stratospheri.png" alt="" align="left" width="90" height="90"/> (Phys.org) —The Sahelian drought of the 1970s-1990s was one of the largest humanitarian disasters of the last fifty years, causing up to 250,000 deaths and creating 10 million refugees. This drought has ... Space & Earth / Earth Sciences
Physorg