Yellow Tuft Alyssum; Mt. Hood's Volcanic Past; Warren Falls
Season 24 Episode 2404 | 28m 50s | Video has closed captioning.
Yellow Tuft Alyssum - A new invasive species from Europe has been introduced in the Illinois River valley. Mt. Hood's Volcanic Past - Mt. Hood is an active volcano with a history of relatively recent eruptions. Warren Falls - A man-made waterfall in the Columbia Gorge blocks a natural fall. One man wants to end that.
Problems Playing Video? | Closed Captioning