Had somebody snuffed civilization in its multiple cradles, the Middle East would probably still be forested, as would Greece, Italy, and North Africa. Lions would probably still patrol southern Europe. The peoples of the region would quite possibly still live in traditional communal ways, and thus would be capable of feeding themselves in a still-fecund landscape. Fast forward a few hundred years and we can say the same in Europe. Somehow stop the Greeks and Romans, and the indigenous people of Gaul, Spain, Germany probably still survive. Wolves might howl in England. Great auks might nest in France, providing year-round...
