Lead pollution recorded in Greenland ice indicates European emissions tracked plagues, wars, and imperial expansion during antiquity per McConnell, JR, Wilson, AI, Stohl, A, Arienzo, M, Chellman, N, Eckhardt, S, Thompson, E, Pollard, AM, Steffensen, JP

Lead and antimony in basal ice from Col du Dome (French Alps) dated with radiocarbon: A record of pollution during Antiquity per Preunkert, S, McConnell, JR, Hoffmann, H, Legrand, M, Wilson, AI, Eckhardt, S, Stohl, A, Chellman, N, Arienzo, M, Friedrich, R

Pan-European atmospheric lead pollution, enhanced blood lead levels, and cognitive decline from Roman-era mining and smelting per McConnell, JR, Chellman, N, Plach, A, Wensman, SM, Plunkett, G, Stohl, A, Smith, N, Vinther, BM, Dahl-Jensen, D, Steffensen, JP, Fritzsche, D, Brugger, SO, McDonald, BT, Wilson, AI

The magnitude and impact of the 431 CE Tierra Blanca Joven eruption of Ilopango, El Salvador per Smith, VC, Costa, A, Aguirre-Díaz, G, Pedrazzi, D, Scifo, A, Plunkett, G, Poret, M, Tournigand, P-Y, Miles, D, Dee, MW, McConnell, JR, Sunyé-Puchol, I, Harris, PD, Sigl, M, Pilcher, JR, Chellman, N, Gutiérrez, E