Something troubling is taking hold in Oregon. Strange, exotic plants and animals are showing up in places where they don't belong. It's a silent invasion that's destroying our most precious places, driving away wildlife and making everyone, from ranchers to fishermen to wildlife managers, nervous. What are these invaders? Where do they come from? What can we do to stop these invasive species from taking over Oregon? The Silent Invasion is a call to action with one goal in mind: turn Oregonians' love of their state into a campaign to protect it from invasive species. Watch The Silent Invasion, then go to opb.org/silentinvasion to learn how you can join with your friends and neighbors to stop the invasion and protect Oregon against invasive species.