| http://www.w3.org/ns/prov#value | - As for those droughts, a recent study published in the letter of the journal Nature indicates that globally,??????there has been little change in drought over the past 60 years.??? And as the U.N. Climate panel concluded last year:???Some regions of the world have experienced more intense and longer droughts, in particular in southern Europe and West Africa, but in some regions droughts have becom
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