Air pollution from 12th century British lead mines has been detected in the Swiss Alps
Air pollution from 12th century British lead mines ‘was as bad as the industrial revolution’ and has been detected in glacial ice from the Swiss–Italian Alps. Researchers used high-precision laser technology to analyse the contents of an 800-year-old section of ice bored out of the Colle Gnifetti glacier in 2013. They found that the levels of … Read more