Pervasive Arctic lead pollution suggests substantial growth in medieval silver production modulated by plague, climate, and conflict

• Main Authors: Joseph R. McConnell, Nathan J. Chellman, Andrew I. Wilson, Andreas Stohl, Monica M. Arienzo, Sabine Eckhardt, Diedrich Fritzsche, Sepp Kipfstuhl, Thomas Opel, Philip F. Place, Jørgen Peder Steffensen
• Format: Article in Journal/Newspaper
• Language: unknown
• Subjects: Arctic; Greenland; Severnaya Zemlya; ice core
• Online Access: http://www.pnas.org/content/116/30/14910.full

Lead pollution in Arctic ice reflects large-scale historical changes in midlatitude industrial activities such as ancient lead/silver production and recent fossil fuel burning. Here we used measurements in a broad array of 13 accurately dated ice cores from Greenland and Severnaya Zemlya to document...