Roman Empire

A new European study challenges the UN studies that show man-made gases only increased after the year 1800. (Photo by De Agostini Picture Library/De Agostini/Getty Images)

Study: Record Rise In Greenhouse Gases Occurred During Roman Empire

A recent European study found that a record rise in greenhouse gases happened during two centuries in which the Roman Empire and Han Dynasty were ruling the region.

10/05/2012

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