Lead pollution during the Roman Empire may have caused declines of ... "What we set out to do is to try to understand how significant lead poisoning was from this background of air pollution ...

(Image Credit: Dr Christopher Spencer, Queen's University, Canada) Though the collapse of the Roman Empire can be tied to a variety of factors, recent research has suggested that an ice age began on ...

Rocks from Greenland found on Iceland's west coast could link the late Roman Empire's fall to a spell of sudden climate change. But historians say that the real story is likely much more complicated.