(multimedia) The Popocatepetl volcano in Mexico let off huge pluems of steam this week. The volcano has been especially active for the past week. Weather.com
One of the world’s most-active volcanoes is threatening one of the world’s most-populated areas. Mexico’s Popocatépetl, whose name means “the smoking mountain,” began ratcheting up its activity last week. Fox News reports — it could threaten millions of Mexicans. Newsy.com
