Everyone wants to build walls these days, she notes, but the wall we need most is a “green wall” of reforestation that would hold back the desert and stretch from Mali in the west to Ethiopia in the east. “It’s an idea that the Africans themselves have come up with,” she adds. It makes enormous sense. Because, in the end, no wall will hold back this surging migrant tide. Everything you see here screams that unless a way can be found to stabilize Africa’s small-scale agriculture, one way or another they will try to get to Europe.
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