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Camels walk on December 26, 2023 in Nafta, near Tozeur, in the Sahara desert in south-western Tunisia. (Photo by FETHI BELAID / AFP)
ANIMAL MIGRATION

The Sahara Desert used to be a green savannah – new research explains why

Greening events provided vegetated corridors which influenced species’ distribution and evolution, including the out-of-Africa migrations of ancient humans

  • Edward Armstrong
5 min read