Smoke and dust spew out of chimneys at a factory in Shizuishan, northwest China, June 5, 2005. Warmer, wetter weather brought on by global warming could increase outbreaks of the plague, which has killed millions down the ages and wiped out one third of Europe's population in the 14th century, academics said. (China Newsphoto/Reuters)
Europe's population in the 14th century, academics said. |