NASA Science News for Sept. 4, 2013
Researchers have uncovered strong evidence that soot from a rapidly industrializing Europe caused the abrupt retreat of mountain glaciers in the European Alps that began in the 1860s, a period often thought of as the end of the Little Ice Age.
FULL STORY: http://science.nasa.gov/science-news/science-at-nasa/2013/03sep_soot/ (http://science.nasa.gov/science-news/science-at-nasa/2013/03sep_soot/)