Wednesday, Nov. 18, 2015
Season 1 Episode 1105 | 26m 25s | Video has closed captioning.
Thousands of people were impacted by a 2014 mine spill that polluted the Sonora River. It's been called one of the worst environmental disasters in Mexico's history, and could hold lessons of what to expect after this year's spill from a mine in southern Colorado.
Aired: 11/18/15
