Climate change and other human activities are the main causes of intermittent droughts.

DESERTIFICATION

Read at :

http://www.sciencedaily.com/releases/2013/01/130118145354.htm?utm_source=feedburner&utm_medium=feed&utm_campaign=Feed%3A+sciencedaily%2Ftop_news%2Ftop_science+%28ScienceDaily%3A+Top+News+–+Top+Science%29

New Insights On Drought Predictions in East Africa

Jan. 18, 2013 — With more than 40 million people living under exceptional drought conditions in East Africa, the ability to make accurate predictions of drought has never been more important. In the aftermath of widespread famine and a humanitarian crisis caused by the 2010-2011 drought in the Horn of Africa — possibly the worst drought in 60 years — researchers are striving to determine whether drying trends will continue.

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