Thursday, Nov. 19, 2015
Season 1 Episode 1106 | 26m 24s | Video has closed captioning.
Sonora river spill shines light on Mexico's standards for toxins in the water. Plus, the observatory at San Diego Mesa College will be named in honor of local naturalist, author and former professor Gerald "Jerry'' Schad, who died in 2011.
Aired: 11/19/15
Problems Playing Video? | Closed Captioning