NASA: Drought in 1998-2012 in Mideast worst in 900 years
March 04, 2016  02:14
A recent, 14-year dry spell in the Middle East was the worst drought in the past 900 years, according to a new NASA study released this week.

NASA's researchers examined records of rings of trees in several Mediterranean countries to determine patterns of dry and wet years across a span of 900 years. They concluded that the years from 1998 to 2012 were drier than any other period, and that the drought was likely caused by humans. 

The study's lead author Ben Cook said the range of extreme weather events in the eastern Mediterranean has varied widely in the past nine centuries, but the past two decades stand out.
"This recent drought falls outside the range of natural variability," he said. Drought has continued in parts of the Middle East, he added.
 
Cook is a climate scientist at NASA's Goddard Institute for Space Studies and the Lamont Doherty Earth Observatory at Columbia University in New York City.
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