TEHRAN, May 14 - Scientists have measured the remnants of Roman-era pollution trapped in the icy layers of the glacier at the top of Dôme du Goûter, a mount ain in the Mount Blanc massif, which is part of the Alps.
TEHRAN, May 09 -Mount Sinabung on Indonesia's Sumatra island erupts, sending a massive column of ash and smoke into the air and coating local villages in debris.