You had me at "zombie." How does one keep the issue of invasive species salient to the public? If you hype the issue too much, you risk alarming your auidence. If you downplay the issue, the public becomes lackadaisical. The goal is to find the sweet spot where you engage your audience and catalyze them to take action to prevent the spread of invasive species. Enter "zombie milfoil." Ontario have used the term to describe Eurasian Milfoil. Although present since 1961, calling Milfoil a "zombie plant" has catalyzed a new sense media interest and a sense of urgency in the public. Check the story out at the CBC here.