Let people outside your congregation know that UU communities are welcoming to atheists, agnostics, humanists, and other non-theists, and that you value diversity and questioning. A large part of the growing percentage of Americans who have left supernatural beliefs behind still value community and are not anti-religious -- they still seek supportive, loving relationships and a place to belong where they can give back through service.
The Freethinker Friendly program was designed to help congregations communicate that welcome. Many diverse congregations have been working on the requirements since the program was announced last June at General Assembly. Now these congregations may submit their application to be officially recognized as Freethinker Friendly Congregations. We have also set up a Minister-to-Minister advisory service to help answer the questions about how the benefits and goals of the program. See the Freethinker Friendly page for links for both of these.