Dot Org: Boulder Atheists

The Boulder Atheists is a community of atheists, secular humanists, agnostics, scientific naturalists, rationalists, freethinkers, Brights, and other non-theists in Northern Colorado. The group is a diverse mix of conscientious individuals including business professionals, parents, teachers and students, entrepreneurs, and retired individuals who seek to live ethical and moral lives using evidence-based reasoning and science.

http://boulderatheists.org/