Kõrbestumine Sahelis
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/
· Pildid [11] ja [12] ,,In pictures: The Sahel drought"
http://www.aljazeera.com/indepth/inpictures/2012/06/2012624213039862469.html
· Pilt [13] ,,International charities criticise efforts to build resilience in the Sahel"
http://www.theguardian.com/global-development/2012/aug/01/international-charities-criticise-efforts-resilience-sahel
·
annaabi.ee 
