December 21, 2011

Africa's Sahel region experiencing the world's most severe long-term drought

Rainfall that has diminished by up as much as 48% in Africa's Sahel region, which is experiencing the world's most severe long-term drought, has resulted not only in significant tree losses but has led to the extinction of entire species, according to a study reported by US scientists on December 13, 2011.

Sources: Ecopolity, PhysOrg

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