Kõrbestumine Sahelis
http://blogs.denverpost.com/captured/2011/07/11/captured-east-africa-drought/
· Pilt [4] ,,INFO Desertification-World Map-Ati"
http://www.westcoast-ideals.com/old_home/ATi/index.htm
· Pilt [5] ,,Sahel Map-Africa"
http://en.wikipedia.org/wiki/2010_Sahel_famine
· Pilt [6] ,,Photo 02486" -
http://www.fredhoogervorst.com/photo/02486/
· Pilt [7] ,, Sahel rainfall from 1900 to 2007 averaged over June, July, August, September, and October JJASO" -
http://oceanworld.tamu.edu/resources/environment-book/desertificationinsahel.html
· Pilt [8] ,, MARCO ANTONIO CRUZ (MEXICO)"
http://www.aimiaagophotographyprize.com/5452
· Pilt [9] ,,U.S. Intelligence Says Water Shortages Threaten Stability"
http://www.scoop.it/t/geography-education/p/1487549893/2012/03/25/u-s-intelligence-says-water-shortages-threaten-stability
· Pilt [10] ,, Wielka susza sprowadzila glód do Rogu Afryki"
http://afryka-i-my.blogspot.com/
annaabi.ee 
