How the Sahara Keeps the Amazon Green
http://www.wired.com/2015/02/sahara-keeps-amazon-green/

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Amazing video shows how dust moves from the Sahara Desert to Brazil
http://sploid.gizmodo.com/nasa-satellite-visualizes-the-movement-of-dust-from-the-1688135802

28.8 million tons of Sahara desert fertilize the Amazon
http://www.latimes.com/science/sciencenow/la-sci-sn-sahara-amazon-dust-plumes-20150224-story.html