frankv: For them, climate change has been going on for centuries. And, as climate change turns currently fertile and productive land into arid wasteland, it's going to be increasingly difficult to feed the masses.
So prior to the industrial revolution? (bolded quote above)
Wouldnt it be great if sun-Saharan people were able to build dams, and use fertiliser on fields tilled with diesel powered tractors instead of subsisting in energy and food poverty.