Clip: Season 24 Episode 2403 | 8m 17s
The Columbia Gorge is one of our favorite playgrounds. But recreational use brings in noxious weeds that crowd out native species and upset the area’s ecological balance. We take a look at the challenges state agencies, land managers and non-profit groups face in trying to control the influx of these invasive “game-changers” and their efforts to coordinate these efforts.
Aired: 10/18/12Video has closed captioning.