With the recent success of the Cambridge Science Festival, San Diego Science Festival, St. Louis Science Festival, and World Science Festival, it is clear that science festivals have truly arrived in the United States. What makes a science festival successful? How do you go about hosting one in your city? Join this discussion about how science festivals can extend the reach of informal science communication in your community. National and international speakers from successful and emerging festivals will present their models for success and challenge you to join in this growing movement. Learn how your organization can partner with science festivals, or how you can take the lead in organizing a festival. Find out how the new Science Festival Alliance can help.