Giant hybrid pythons, forest-choking kudzu, ill-tempered Africanized bees, nearly indestructible fire ants, and voracious zebra mollusks. These are some of the more widely-publicized invasive species wreaking ecological and economic havoc in the United States and around the world. Why has this problem grown so rapidly in recent years? What are the economic, health, and safety implications? And what, if anything, can be done to stop or reverse this trend? We’ll provide the answers you need.