Well, the granary of the roman empire was gradually ruined by man. animal and climate drift. Some say goats inexorably stripped all green plants and shifted the

Well, the granary of the roman empire was gradually ruined by man. animal and climate drift. Some say goats inexorably stripped all green plants and shifted the ecology. Other say the climate drift? Was one caused by the other? https://en.wikipedia.org/wiki/Sahara https://en.wikipedia.org/wiki/Sahara https://www.prb.org/resources/africas-struggle-with-desertification/ https://www.prb.org/resources/africas-struggle-with-desertif...